F: Oh, Patrick. I can't get this phone to work. Can you help me? ,M: Are you trying to make a call? ,F: Yes, I just got it and I can't get the thing to work. ,M: Let me see. OK, you turn it on.
(A) F: I’m sorry, I don’t understand. Could you say it again? (B) F: Oh, I understand. Now I know how to make a phone call. (C) F: Put down my old phone, Peter, come to help with my work. (D) F: Cool. Thank you for lending me your phone. I don't have mine.
B