M: You look worried this evening, dear. What's the trouble? ,F: I'm going through the telephone bill. It's over 10 pounds. But last month, it was under 7 pounds.
(A) M: This telephone bill of this month has risen to an incredible 20 pounds, but you have to pay for it yourself. (B) M: It doesn't matter. It's normal for the telephone bill has gone up this month. (C) M: I’m sorry, I didn’t catch that. Would you mind speaking more slowly? (D) M: It is strange that you look so happy when you run out of money.
B