F: I want to see the manager. ,M: I am the manager, madam. Did you buy the radio here? ,F: Of course I bought it here. Look! you turn it on, but nothing happens.
(A) M: Oh, I'm so sorry. There must be something wrong with the button since you can't turn it on. (B) M: Oh, I'm so sorry. I'll take a look at it and see why it doesn't work. (C) M: I am afraid I did not quite catch what you were saying. Please repeat it. (D) M: Oh, I'm so sorry that your radio doesn't work. Let me get our manager here, madame.
B