My mother will come back _____.A an hour later B after an hour C in an hour D for an hour

题目

My mother will come back _____.A an hour later B after an hour C in an hour D for an hour
我怎么觉得每个好像都对呢?

答案

A项通常用于过去时,B项一般用于过去时,而C项一般用于将来时,符合题意,D项要用于完成时