M: Is your conference in Prague? Could I ask you a favor? ,F: Sure, as long as it isn't about picking out dolls for all your relatives. ,M: No, I broke a drinking glass I bought there, so could you get me one? ,F: OK.
(A) M: Thank you, since your conference is in Beijing, I want to ask you to pick out a doll for me. (B) M: Excuse me, could you repeat the question? (C) M: Thank you. Although I ask you to attend a conference in Prague, your conference is in Beijing, isn't it? (D) M: Thank you. I'm very sorry to ask you to buy a glass.
D