prep 96 求解释求指点~~想来想去不明白TT..

ruocfe07

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

答案是D。。。为什么E不好呢~~~想了老半天没想明白TT..求指点。。
而且D那个it也有指代不明。。

88115450

e中 serving 要不就是就近修饰 temperature ，要不就是伴随状语修饰主语 the number   两者皆于作者意思违背 所以选d

myancamel

主要问题还是是possibly，见到题干上的can，这个possibly就很难选了
再加上in fact possibly就更有问题了，这个优先级比指代，和简洁高的多。

我觉得serving其实不是问题；逗号+doing不会修饰紧挨着的名词，只会两种情况：1. 逻辑主语不是前句主语，修饰前面整句；2修饰前句动词，逻辑主语是前句主语

语法笔记上的说法有问题