37.In an hour,we can travel to places _____ would have taken our ancestors days to reach.

问题描述:

37.In an hour,we can travel to places _____ would have taken our ancestors days to reach.
A.where B.when C.which D.what
C
给个理由啊.

这个是定语从句,which在从句中做主语,而where和when都不能做主语,what不能引导定语从句,所以选C