想讨论一下整句划线的题目结题思路怎样比较好呢？

陈小萌爱gmat

107. While it costs about the same to run nuclear plants as other types of power plants, it is the fixed costs that stem from building nuclear plants that makes it more expensive for them to generate electricity.

(A)        While it costs about the same to run nuclear plants as other types of power plants, it is the fixed costs that stem from building nuclear plants that makes it more expensive for them to generate electricity.

(B) While the cost of running nuclear plants is about the same as for other types of power plants, the fixed costs that stem from building nuclear plants make the electricity they generate more expensive.

(C) Even though it costs about the same to run nuclear plants as for other types of power plants, it is the fixed costs that stem from building nuclear plants that makes the electricity they generate more expensive.

(D) It costs about the same to run nuclear plants as for other types of power plants, whereas the electricity they generate is more expensive, stemming from the fixed costs of building nuclear plants.

(E) The cost of running nuclear plants is about the same as other types of power plants, but the electricity they generate is made more expensive because of the fixed costs stemming from building nuclear plants.

说说这题你们的结题思路

alzn2765

Decision Point 1:比较对等

AB都可以看成as后面省略了一些东西表示对比；CD中to run nuclear plants和（cost）for other types of power plant不对等；D中The cost of running nuclear plants和(cost of)other types of power plants不对等。

Decision Point 2: that引导从句

A中第一个that引导定于从句修饰fixed cost，第二个that因为谓语动词用的是makes，肯定不可能是修饰fixed costs或者nuclear plants的定语从句，看起来像是后置的主语从句的引导词，但主语从句中缺主语，所以这是个有问题的句子。
B正确。