He used to take a walk after supper each day,___?A.did he B.was he C.usedn't he D.wasn't he

问题描述:

He used to take a walk after supper each day,___?
A.did he B.was he C.usedn't he D.wasn't he

我觉得答案好像都不对,非要选的话可能是C吧

C
填didn't he也可以.