求助gwd21-27

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.

A.      to be the world’s smallest network digital camcorder, the length of which is that of a handheld computer, and it weighs 

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

为什么答案是d， 不是claim to be 的吗？claims is怎么解释，划线的后半部分是对称了

我也买了GWD22套全真题，但是没找到这题^__^,

我怎么觉得选A啊,claim to be....,B中which修饰world了，不对，weighting用的也不对啊。。。。。

困惑中。。。

up