Julia,will you piease go and empty that drawer?答语是什么啊..

问题描述:

Julia,will you piease go and empty that drawer?答语是什么啊..
A.How is it B.How much C.What for D.What is it

答案是 C.What for
是个省略句,全句是what do I do that for?
我为什么那样做?