-May I go and play foot ball,Mom?

问题描述:

-May I go and play foot ball,Mom?
-No,you___.You___finish your homework first.
A:can't;will B:needn't;should
C:mustn't;canD:mayn't;may
这道题答案是D,但是我觉得答案好像错了,
请各位帮我看下.
急~!

没有答案,应该用can't,must