M: I need to go to the bank. ,F: But they're all close today? ,M: Closed? Are you kidding? What is it? Some kind of holiday today? ,F: Have you already forgotten what's the date today? ,M: Oh, it's the first of April. April Fools' Day.
(A) F: I’m sorry, I didn’t catch that. Would you mind speaking more slowly? (B) F: Oh, no. You always remember the Fool's Day. (C) F: Haha, got you! That's right. It is Fool's Day today! (D) F: Yeah, yesterday is  Fool's Day, and today is 2nd April.
C