sorry I'm late,but you cannot imagine__great trouble I took to find your house.

问题描述:

sorry I'm late,but you cannot imagine__great trouble I took to find your house.
A.what
B.how
C.why
D.when

a
对不起,我迟到了,你不能相信我遇到多大的麻烦去找你的房子
因为是修饰trouble,所以用what