单项选择题

Nancy: Are you doing anything tonight
Anne: ______
Nancy: Well, how about tomorrow Maybe we could go to a movie.
Anne: Hey, that sounds like a great idea!

A.No. I have nothing to do tonight.
B.Sorry, I"m afraid I"m busy tonight.
C.What idea have you got
D.I"m going to my sister"s and won"t be back till the day after tomorrow.