Theoldmanlookedatthepicture,hefeltasthoughhe

问题详情：

The old man looked at the picture, he felt as though he ______ to time 20 years ago.

   A. had gone back     B. went back            C back             D. should go back

【回答】

A

知识点：过去完成时及其被动式

题型：选择题