题目内容：
14.Customer: Excuse me, sir.Clerk: _____.
Customer: I’d like to cash a check. Would you please tell me which window should I go to?
Clerk: You can cash checks over there at window 6.
(3分)
A. It’s all right.
B. It doesn’t matter.
C. What? Can I help you?
D. Yes, may I help you?
参考答案：