prep-1-74

74.    (28503-!-item-!-188;#058&003635)

Paleontologist Stephen Jay Gould has argued that many biological traits are not the products of natural selection, favored due to their enhancement of reproduction or survival, but that they are simply random by-products of other evolutionary developments.

(A) due to their enhancement of reproduction or survival, but that they are

(B) due to the reproduction or survival they enhance, but they are

(C) because they enhance reproduction or survival, but

(D) because they enhance reproduction or survival, but are

(E) because of enhancing reproduction or survival, but are

答案D

Not A, but B 要平行,但是这里的A是名词B是宾语,怎么平行??请牛人指教

我还是觉得怪怪的
                

可是若是像2楼所说的
                就算补出了are , simply 也可以修饰random啊??

可是若是像3楼说的
                我就不懂一个be在not前面
                一个be却在but后面
                这样也算平行吗??
                

恼人阿~

拜托  回一下

还是觉得有问题耶!!

LZ，

not A but B句型之间是没有逗号的。那么A/B完成对称。

本题不要把它看作是not..but，而是...,but...。not只是be的否定词。

but和and一样，需要平行。

所以本题结构：aren't A, but are B。

谢谢~了解啰

还是不懂...

疑惑