问题
选择题
— 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!
答案
答案：B
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。