F: Do you know what Jason's home phone number is? ,M: I can't think of it off the top of my head. You might want to look it up in the phonebook. ,F: I've checked it already, but it seems that his phone number is unlisted.
(A) M: I think since you don't have Jason's home phone number, you can ask someone else. (B) M: Oh, maybe you can find your phone book in the lost and found office. (C) M: I’m sorry, I don’t understand. Could you say it again? (D) M: Don't worry, though you don't have Jason's home phone number, I remember it and I will tell you.
A