求助

ningyan1992

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

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

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

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

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

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

OG13上的107题，答案选B   不知道D项到底错在哪里  the same to run nuclear plants as for other types of power plants和C项一样   这个为什么错了呢\
求助啊

bejamin1111

这题最快的方法是根据句子逻辑意思，确立句子合理重心。运营成本和其他工厂一样，维修成本更贵。可以判断后面是主句，前后应该有表示转折让步的连词，即while的存在。再对比ab，b前后主语都是cost,更加平行，选b。
关于D,我觉得几个地方的问题：1.it形式主语的wordy 2.they有指代types的嫌疑 3.whereas前后不平行 4. stemming这个modifier不make sense

ningyan1992

嘿嘿  谢谢