求助 GWD6-17

jasonlep

GWD6-Q17:

Concerns about public health led to the construction between 1876 and 1904 of three separate sewer systems to serve metropolitan Boston.

 

A.      Concerns about public health led to the construction between 1876 and 1904 of three separate sewer systems to serve

B.       Concerns about public health have led to the construction of three separate sewer systems between 1876 and 1904 to serve

C.      Concerns about public health have led between 1876 and 1904 to the construction of three separate sewer systems for serving

D.      There were concerns about public health leading to the construction between 1876 and 1904 of three separate sewer systems serving

E.       There were concerns leading between 1876 and 1904 to the construction of three separate sewer systems for serving

 请nn分析下各个选项

jasonlep

请高手分析下错误选项的错误所在

玻璃胶带

試著回答下哦，但不是nn

a  正確
b  between 1876 and 1904 位置變動，原來修飾construction, 現在修飾system.
c for doing 沒有to do 好，表目的
d there be+抽象名詞有問題。
e there be 有問題 for doing 不好

phyroc

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