Question

选择题Tom took away our teacher's cell phone without being permitted

Tom took away our teacher's cell phone without being permitted。
Really? i can't imagine that he _____ have done such a thing.
A. must B. may C. can D. should
should have done 是本来应该做的事没做。 ‘这个句子不是已经做了吗？怎么理解选择D。

Answer 1

答案：D

解释：should还有一个特殊用法，意思是“居然，竟然”，用于表达说话人惊讶、不相信、怀疑等语气。
should have done sth在此种情况下，解释为“居然/竟然做了某事”。