求助:prep SC1 破解版 #96

biggeo

96.    (29707-!-item-!-188;#058&003977)

In some species of cricket, the number of chirps per minute used by the male for attracting females rise and fall in accordance with the surrounding temperature, and they can in fact serve as an approximate thermometer.

(A) for attracting females rise and fall in accordance with the surrounding temperature, and they can in fact serve
(B) for attracting females rises and falls in accordance with the surrounding temperature, which can in fact serve
(C) in attracting females rise and fall in accordance with the surrounding temperature, in fact possibly serving
(D) to attract females rises and falls in accordance with the surrounding temperature, and it can in fact serve
(E) to attract females rises and falls in accordance with the surrounding temperature, in fact possibly serving

答案D.
请问E的分词表结果为什么不对?分词的逻辑主语可以是前面整句(随温度变化的雄鸟鸣叫).
谢谢

biggeo

自己顶.
D的it没有指代歧义吗?

ivysopher

随意加上possibly改变句子原意；

我觉得it 只能指 the number of chirps per minute