The place ()the bridge is supposed to be built should be _the cross-river traffic is the heaviest.

问题描述:

The place ()the bridge is supposed to be built should be _the cross-river traffic is the heaviest.
A.which; where B.at which; which
C.at which; where D.which; in which
为什么选C 麻烦分析下句子结构和句子意思

C.at which; where
桥应该被建在过河交通最繁忙的地方
()the bridge is supposed to be built 差地点
_the cross-river traffic is the heaviest.差地点
wat hich==where