The electronics company has unveiled what it claims to be the world’s smallest network digital camcorder, the length of which is that of a handheld computer, and it weighs less than 11 ounces.
B. to be the smallest network digital camcorder in the world, which is as long as a handheld computer, weighing
C. is the smallest network digital camcorder in the world, which is as long as a handheld computer, and it weighs
D. is the world’s smallest network digital camcorder, which is as long as a handheld computer and weighs
E. is the world’s smallest network digital camcorder, the length of which is that of a handheld computer, weighing
请问这里未划线部分的what it claims的it claims 是不是插入语呢?
谢谢.
答案是不是D？
I choose B;
as long as expresses the accurate meaning.
claim to be; claim that are idiomatic
我选D。宾语从句套主语从句。
what it claims 作宾语从句里面的主语。
B肯定错。
to be the smallest network digital camcorder in the world, which is as long as a handheld computer, weighing
which 指代不清，weighing修饰a handheld computer错，应该修饰the world's smallest network digital camcorder.
I will vote for D
我也选D
A和C中的it weighs中的it指代有歧义，有可能指代句子主语：The electronics company
B和E中的weighing伴随也有以上问题，有可能伴随主句谓语：has unveiled
我也觉得D 好, 一个理由是 which is as long as 肯定比 the length of which is that of a handheld computer 更准确, 简洁
另外, it claims 不一定要被认为是插入语, WHAT IT CLAIMS 在WHAT 引导的宾语从句里作主语, 如果非要给它语法上的称呼, 不如看成一个名词短语, 或小的主语从句. 比如: what I said , or what I mean.....
答案是D。
我的问题就是我不太理解what it claims is the world's smallest....中的it claims的作用。感觉是插入语。因为我觉得把it claims去掉，并不影响句子结构。
The electronics company has unveiled what (it claims) is the world's smallest network digital camcorder, which is as long as a handheld computer and weighs less than 11 ounces.
BTW:由于人在国外，作息时间和国内不太一样，有时候难免和国内朋友上网的时间不太一样，没能及时回复和参加讨论，请见谅。
谢谢。
juan mm，同意Jerry的解释，这里it claims决不是插入语！
如果是，去掉it claims应该不影响原句的意思，但是主句却变成：
The electronics company has unveiled what is the world's smallest network digital camcorder, which is as long as a handheld computer and weighs less than 11 ounces.
翻译一下：“...公司对外公布什么是世界上最小的网络数字可携式摄像机，....”那么请问到底什么是世界上最小的网络数字可携式摄像机呢？
而原文的意思是：“....公司对外公布他们所声称的是世界上最小的网络数字可携式摄像机，....”
请参考OG210:
210. Scientists have recently discovered what could be the largest and oldest living organism on Earth, a giant fungus that is an interwoven filigree of mushrooms and rootlike tentacles spawned by a single fertilized spore some 10,000 years ago and extending for more than 30 acres in the soil of a Michigan forest. (A)
Highlight部分同上面去掉it claims后的句子，请看在逗号后面补出a giant fungus说明前面“什么是世界上最大、最老的生物”。
juan mm，同意Jerry的解释，这里it claims决不是插入语！
如果是，去掉it claims应该不影响原句的意思，但是主句却变成：
The electronics company has unveiled what is the world's smallest network digital camcorder, which is as long as a handheld computer and weighs less than 11 ounces.
翻译一下：“...公司对外公布什么是世界上最小的网络数字可携式摄像机，....”那么请问到底什么是世界上最小的网络数字可携式摄像机呢？
而原文的意思是：“....公司对外公布他们所声称的是世界上最小的网络数字可携式摄像机，....”
请参考OG210:
210. Scientists have recently discovered what could be the largest and oldest living organism on Earth, a giant fungus that is an interwoven filigree of mushrooms and rootlike tentacles spawned by a single fertilized spore some 10,000 years ago and extending for more than 30 acres in the soil of a Michigan forest. (A)
Highlight部分同上面去掉it claims后的句子，请看在逗号后面补出a giant fungus说明前面“什么是世界上最大、最老的生物”。
看楼上Jerry的解释！
看楼上Jerry的解释！
The electronics company has unveiled （that)what it claims is the world's smallest network digital camcorder, which is as long as a handheld computer and weighs less than 11 ounces. 我认为是插入语，如果不是插入语，肯定要加that,因为后面是一个从句，而且，插入语的特征是：把它拿掉之后，句子的语法结构和语义仍是完整的，只是缺少了一些表达上的精确性。les说插入语去掉后意思不变的说法是错误的.og210是同位语补充。
The electronics company has unveiled （that)what it claims is the world's smallest network digital camcorder, which is as long as a handheld computer and weighs less than 11 ounces. 我认为是插入语，如果不是插入语，肯定要加that,因为后面是一个从句，而且，插入语的特征是：把它拿掉之后，句子的语法结构和语义仍是完整的，只是缺少了一些表达上的精确性。les说插入语去掉后意思不变的说法是错误的.og210是同位语补充。
选D
例子如下: Telica Inc., a telecommunications startup that has received more than $60 million in venture capital, tomorrow will unveil what it claims is the world's most advanced "intelligent" telecommunications switch
The electronics company has unveiled （that)what it claims is the world's smallest network digital camcorder, which is as long as a handheld computer and weighs less than 11 ounces. 我认为是插入语，如果不是插入语，肯定要加that,因为后面是一个从句，而且，插入语的特征是：把它拿掉之后，句子的语法结构和语义仍是完整的，只是缺少了一些表达上的精确性。les说插入语去掉后意思不变的说法是错误的.og210是同位语补充。
what just equals the thing that..., anyway the latter expression is awkward and wordy.
...has unveiled (that) the thing (that it claims) is world's .....,which..
In the object clause, "that" is omitted. However, it does not cause the choice incorrect.
To be discussed...
weiyu, 谢谢。不过没太看懂
参看大全390
In June, 1981, six teenagers in the village of Medjugorje, Yugoslavia, claimed to have had visions of the Virgin Mary, who they say has continued to appear to them over the ensuing years.
who they say has ...复合定语从句，they say类似于插入语
这个题目ETS狡猾的用claim to be这个惯用法为掩护，诱导我们选B
但B中的weighting不好
如果不是插入语，那么what it claims作为从句的主语出现.
既然是完整的状语从句，在GMAT中一定要有that在前面
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