Given the task definition and input, reply with output. In this task you are given a small conversation between two persons and 4 options on how the conversation should continue. Your job is to choose the most reasonable option. The conversation and the options are separated by a newline character. Each dialogue in the conversation are separated by a comma. F and M indicate female and male, respectively.

M: Good morning, madam. What can I do for you? ,F: I bought this new radio here half a month ago, then I posted it to my daughter who is studying English in Shanghai Foreign Language University. But a week later she posted it back, saying that it doesn't work. I don't know why. Could you help me check out the radio?
(A) M: I am afraid I did not quite catch what you were saying. Please repeat it. (B) M: Your cousin must love this radio that you sent him. It looks very beautiful. (C) M: Your daughter is in Beijing Foreign Languages University. I guess you bought her the radio to practise English. (D) M: So, you bought the radio for your daughter, and she was using it until it stopped working somehow.
D