He asked me if I ____ the wallet that he had bought in thailand the year before.

问题描述:

He asked me if I ____ the wallet that he had bought in thailand the year before.
A.has seen B.had seen C.saw D.see
老师选的b,我选的a,为什么这里应该用过去完成时...不能用现在完成时,

选B 前面的asked是过去式,我有没有看到这个动作发生在过去的过去,所以用过去完成时