题目信息
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
参考答案及共享解析
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已选答案：
正确答案：
A:Concerns about public health led to the construction between 1876 and 1904 of three separate sewer systems to serve
选项分析：
A. Correct；
B. lead发生在过去，不应该用现在时态（现在完成时）；Between 1876 and 1904有修饰systems的歧义，意思变成了systems就在1876和1904年之间被使用。
C. 时态错误。Between 1876 and 1904放在lead后面不好，时间状语通常位于句首或句尾，即便无法谓语句首或句尾，也应该尽量靠向两边，而且lead to construct/lead to the construction是一个整体，不应该被打破；表示动作的目的用to do而不用for doing。
D. there are表示的是自然存在，现在concerns不是自然存在的，错误；Leading时态错。
E. there are错误同D；between 1876 and 1904错误同C；for doing错误同C。
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题目来源
GWD
