— Are you getting a new apartment this year?
— I can’t afford to pay my bills. How can I buy a new apartment?
A. Don’t mention it.
B. You must be joking.
C. Are you sure?
D. Good idea!
网友回答
A. Don’t mention it.
(答案→)B. You must be joking.
C. Are you sure?
D. Good idea!
解析：本句回答语的含义是我卖不起新的公寓，你一定在开玩笑意思才符合句意，You must be joking表示此意，故本题选B。