Will you please stay here for the party?---Sorry,I___.I'll have to go to an inportant meetting.

问题描述:

Will you please stay here for the party?---Sorry,I___.I'll have to go to an inportant meetting.
A.won't B.mustn't C.can't D.needn't
有人说选C 有人说选A 有点不懂,需要详解,

A.won't
will you ---- I won't
Can you---- I can't