How long ago____playing football?Ahave you stopped Bhad you stopped Cdid you stop Ddo you stop

题目

How long ago____playing football?Ahave you stopped Bhad you stopped Cdid you stop Ddo you stop

答案

C,这个题问的是多长时间以前你不踢足球了.
看答句就可以知道选什么了.I stopped playing football+时间（如two years ago）.很明显这个句子的时间状语.ago,要用过去时,那么它的问句当然也是过去时了.