GWD11-3 是否陷阱?大家都选择C?

Unlike human runners, who broke the four-minute mile in 1954 and they consistently recorded faster times ever since, horses in classic races such as the Kentucky Derby have had winning times with little improvement:  Secretariat’s world-record-breaking Derby tine of 1:59 2/5, for example, was set in 1973 and remained unsurpassed more than a quarter of a century later.

1. they consistently recorded faster times ever since, horses in classic races such as the Kentucky Derby have had winning times with little improvement


2. they have consistently recorded faster times ever since, those of horses in classic races such as the Kentucky Derby have shown little improvement in winning times


3. have consistently recorded faster times ever since, horses in classic races such as the Kentucky Derby have shown little improvement in winning times


4. have consistently recorded faster times ever since, in those of classic races such as the Kentucky Derby, horses have had winning times with little improvement


5. consistently recorded faster times ever since, those of horses in classic races such as the Kentucky Derby have shown little improvement in winning times
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unlike human runners, 谁…  horses 还是those of horses?
此题两个语法点,
1.ever since前是否一定要用完成时态呢？who did and have done...好，还是 who did and did 好呢？
2.unlike human runners, horses have... ／还是 those of horses...
前面的核心词是runners, 这里human是名词做修饰语用的，对应后面的划线部分的主语应该是horses还是 runners of horses呢？
“奔跑者”，与“赛马者”还是与“马”来对应比较呢？
百思不解，请讨论。谢谢！

原来链接:
http://forum.chasedream.com/dispbbs.asp?boardid=23&star=2&replyid=479753&id=55193&skin=0&page=1

1. ever since 一定要用现在完成式，时间状语对动词的时态的制约是最高级别的。

2. of 表示所有格，是从属关系，而名词+名词强调内容或职能。

谢谢斑竹的回答，有些理解大家选C的理由。可是仍觉得不够信服：
找了仅有的几个《逻辑大全》里面的ever since,还是发现有不用完成时态的一例句子，这个例子说明不是绝对的规则吧:
Emily suspected that apples are unhealthy ever since she almost choked to death while eating an apple when she was a child. Now, evidence that apples treated with certain pesticides can be health hazards shows that Emily’s long-held belief is fully justified.

另外关于of, （大全487）白勇讲这道题时说，（这道题apparatus对that本没有问题，想说的是human eye和insect's eye) 人的眼可以用human eye,非所有格形式，名词作修饰语，而昆虫的眼就只能用’S所有格形式，不能直接说insect eye.如果按照斑竹LES所言的强调关系，这里是应该强调从属关系吧？所以是‘S或者OF可以表达。

如果承认上面的推理，则说明名词+名词也可以表示从属关系,只是在人这个环境内可以部分使用。

487－16－10.        Like the color-discriminating apparatus of the human eye, insects’ eyes depend on recording and comparing light intensities in three regions of the electromagnetic spectrum.

(A) insects’ eyes depend on

(B) an insect eye depends on

(C) that of insects depend on the

(D) that of an insect’s eye depends on（D）

(E) that of an insect’s is dependent on the

我觉得，human对应horses是对的,human runners 对应horses,好像就差了一个意义.人是修饰语,马是核心词,能对应么?
还有一点啊,赛马的时候,是人马合一,这里想说的意思是"马没有表现提高",还是"人马组合 没有表现提高"呢?如果用those of horses 显然就是说参加赛马的"赛马者"没有提高成绩.或者指他们的组合.如果考"汽车赛手"呢?难道能把汽车和人的赛跑者直接比么比么?
所以应当考虑runners of horses的可行性吧.

更有说服力的如果选择E，一般过去时，则是与原句的":"之后未划线部分的时态完美对应:
Derby tine (这里可能是time,为typo) of 1:59 2/5 was set in 1973 and remained unsurpassed more than a quarter of a century later.
对应broke the four-minute mile in 1954 and consistently recorded faster times ever since

同意C

horses in classic races 已经是说明是horse runners了，不需要再补上those of horses。。。

gmat 语法的要求较为严格，到目前为止，gmat语法部分的例句中since都是要用完成时的，是ets考点之一，可以作为判断选项对错的标准，从逻辑大全里找到的例句在语法方面的要求和sc是不一致的，建议不以之为标准。

另外，个人认为human runners中human是对runners的补充说明，并非所有格，而且和horses已经形成平行的，可比较的对象，所以不能再加those of

楼主想的太多了, 这里就是考了一个unlike平行的问题. those of只是一个不平行的干扰项.

those of horses里的those如果指代runner, 即runner of horses, 意思不是赛马者, 什么都不是. 至于赛马选手, 应该叫jockey.

who broke the four-minute mile in 1954 and have consistently recorded faster times ever since

这两个时态怎么能够并列呢?哪个NN来解释一下...

为什么并列就一定时态相同呢?

OG里面并列时态不同的情况很多.

in 1954-->past tense

ever since-->pefect