求教语法一道

应该选什么呢？＞？／／

Though the law will require emissions testing of all diesel vehicles, from

tractor trailers to excursion buses, it will have no effect on sport utility

vehicles, almost all of which are gasoline powered, and will not be sub-

jected to emissions-control standards as stringent as they are for

diesel-powered vehicles.

A.      powered, and will not be subjected to emissions-control standards as

stringent as they are for

B.      powered, and therefore not subjected to emissions-control standards

that are as stringent as those of

C.      powered and therefore not subject to emissions-control standards as

stringent as those for

D.      powered, which are not subject to emissions-control standards as

stringent as they are for

E.       powered and therefore they are not subject to emissions-control

standards as stringent as those of

a不对,it will not subjected to，逻辑上有问题，应该是it will not subject sports vehicles to xx

emissions-controls standards of sports vehicles as strigent as standards of diesel vehicles

所以，用for的都去掉，c,d不对。

b的not subjected to有歧义，是针对law还是sorts vehicles。所以应该是E

牛牛们的意见呢？

应该选C，E中they usage is incorrect.

大家谁还能说说呢　？不是很懂　啊

选C，

powered and therefore not subject to emissions-control standards as >>