what did you do that for?= ___ did you do that?

what did you do that for?= ___ did you do that? What did you do? What did you do? what did you.do what did you do What did you do What did you d____ to do after that what did you do the year before that? what did you do yesterday? What did you do yesterday? what did you do today? What did you do there what did you do here? What did you do with What did you do next? How did you do that?How did you do that? Do you still remember( ) A.that B what he said C did he say that D what did he say what do you do?what did you do?what do you did?怎么区别,