题目内容：
Customer: Excuse me! Clerk: Yes ma"am? What can I do for you?
Customer: I have a problem with this coffer maker,and I want my money back.
Clerk: ______?
Customer: The problem is that it doesn"t work! I"ve only used it three times. A．why
B．well,are you sure
C．What"s the matter with it on earth
D．Well,what seems to be the problem
参考答案：
答案解析：