Sentence Correction
试题详情
题目：
Dirt roads may evoke the bucolic simplicity of another century, but financially strained townships point out that dirt roads cost twice as much as maintaining paved roads.
选项:
A、dirt roads cost twice as much as maintaining paved roadsdirt roads cost twice as much to maintain as paved roads do
B、maintaining dirt roads costs twice as much as paved roads do
C、maintaining dirt roads costs twice as much as it does for paved roads
D、to maintain dirt roads costs twice as much as for paved roads
答案:
B
提问：
这里面我认为是比较maintaining dirt road cost 和maintaining paved road cost 比较 所以选了C 为什么不对呢？[img=/uploads/askimgs/gmat-20230613-104151.png]
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提问：
D选项it没有合适的指代对象，可以排除
E选项to main dirt roads做不了从句的主语，可以排除
剩下ABC 读出了语义是维护泥土路的花费是维护铺面路的花费的两倍。
A选项中maintaining paved roads省略了动词 容易引起歧义不能精准表达出花费的语义 可以排除
B选项和C选项 B选项的表达实在难以理解，读C认为就是想要表达的意思，然后选择了C选项。
可以请老师帮忙分析下B和C选项吗，在一个选项语法太奇怪读不怎么明白时如何抉择
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