M: Hello. This is the China Telephone Company. What can I do for you? ,F: Is this the Complaints Department? ,M: Yes, it is. ,F: I want to complain about the bill I received this month. I don't think I've made that many phone calls. Have their rates gone up? There must be a mistake in your billing. ,M: Alright Madam, tell me your phone number and I'll check it for you. ,F: My number is 63513516. ,M: Thank you. Please hold on for a moment. ,F: Alright. ,M: Hello? ,F: Yes, I'm still here. ,M: Well, there doesn't seem to be any problems with your account. The billing is accurate. You must have overlooked the international call you made to Europe. ,F: Let me see. Right. I'm sorry, it's my mistake. But it is still very expensive. ,M: Well, why don't you apply for the international dial service? It's free of charge.
(A) F: I’m sorry, I don’t understand. Could you say it again? (B) F: Really? Yes, can I apply for the International Dial Service now? (C) F: Really. Yes, I should unsubscribe International Dial Service now. (D) F: I can't cut down the number of overseas calls. I have to make lot of international calls.
B