The train _____ she was traveling was late.a where b in that c on which d which
问题描述：
The train _____ she was traveling was late.a where b in that c on which d which
明显答案是c,不过我想问,a where 为何不能选,where 不是等同 on which么
答
这里的on the train 是方式,相当于by train,不是地点状语, 不能换成where