GWD7-15

shizhe

GWD7-Q15:

The city has proposed a number of water treatment and conservation projects the cost of which raises water bills high enough so that even environmentalists are beginning to raise alarms.

A.the cost of which raises water bills high enough so that

B.at a cost raising water bills so high that

C.at a cost which raises water bills high enough so

D.whose cost will raise water bills so high that

E.whose cost will raise water bills high enough so that 答案是D  但是B 为什么不行呢

salasbond

propose sth
at 用的不对，raising 的主语是主句主语，逻辑不对。

shizhe

at a cost raising .. 这种形式下  raising 的逻辑主语不就是 cost 么？

sunlight841206

v-ing动名词后面加太长的复杂结构时，使用从句能够表述的更加清楚。

这条规则可以在《刘振民语法精解》中提过！可以去参见这本书！

cidisnotjayz

raising 的逻辑主语是 cost 没错
但是has proposed，city现在建议了一件事，后面用doing分词表正在raise， 不觉得后面应该用将来时更好么~
而且同2楼，propose sth at也不对

mongmong

赞ls关于时态的分析