各位牛牛们，gwd6-q17 有点不了解！！！跪求解

xoyeye1

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



答案是a  我选b
我想问一下，是不是因为把这个between 1876 and 1904 东东往后移，导致了修饰歧义了，还是其他神马？



    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



答案是a  我选b
我想问一下，是不是因为把这个between 1876 and 1904 东东往后移，导致了修饰歧义了，还是其他神马？

eliasfan

是的，
between 1876 and 1904 ，应该用过去时直接排除ＢＣ
ＤE中There were 不好

xoyeye1

谢谢