M: Excuse me, when is the library open? ,F: It's open from 9:00 to 6:00 Monday to Friday and it closes at 12:00 on Saturday.
(A) M: I'm surprised that the library opens for nine hours on Saturday. (B) M: I am really sorry, I did not catch that. Would you slow down, please? (C) M: Thanks, I'll waiting for the library to open. Did you say that it will open six hours later? (D) M: So the library opens for three hours on Saturday.
D