单选题 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.