又遇到困难了~求NN指点~~

我们好像认识

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.

	due to their enhancement of reproduction or survival, but that they are
	due to the reproduction or survival they enhance, but they are
	because they enhance reproduction or survival, but
	because they enhance reproduction or survival, but are
	because of enhancing reproduction or survival, but are

答案是D，我觉得C更对应啊，not...but

我们好像认识

我们好像认识

DUKB24

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.

	due to their enhancement of reproduction or survival, but that they are
	due to the reproduction or survival they enhance, but they are
	because they enhance reproduction or survival, but
	because they enhance reproduction or survival, but are
	because of enhancing reproduction or survival, but are

答案是D，我觉得C更对应啊，not...but

-- by 会员 我们好像认识 (2012/10/25 19:58:44)

the omission of are will create ambiguity
favored may have a parallelism with random， both modifying the products of natural selection


that is not what the sentence is trying to say

我们好像认识

谢啦谢啦！您真是大神！

狈狈比比多味豆

我倒觉得是，but后面应该跟完整的clause，需要有谓语be，不然就成了同位语了。

月球的人

重点在于simply这个副词，如果没有are，那么这个副词就是多余的，所以必须有are， 如果题目没有副词simply，后面直接就是名词的话，那就选没有are的选项，但是答案中没有，所以最好的就是把are留着。