Clerk: Sorry, sir, you have to be 18 to buy alcohol.
Customer: I am already 30! ______________
A、What’s wrong with you?
B、Can’t you see that?
C、Are you kidding me?
D、What is the problem?
【正确答案】：C
【题目解析】：对话大意：先生，要满18岁才能买酒，而顾客回答说他已经30岁了，由此可以看出顾客的语气应该是很惊讶，惊讶于销售员觉得他不够18岁，C项符合题意。而A、D项意思相似，不选。B项太中式英语了。
