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:A,
Concerns ... led to the construction... to serve... 查到的Lead的用法无非就是 及物的:lead sb/sth to do; 不及物的:sb lead, to lead或者be led. 这里lead to 是什么用法?led to怎么看都像是定语,可惜后面没有其他动词作谓语了。求高手赐教
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