4. 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. Yes, may I help you?
B. It doesn’t matter.
C. It’s all right.
D. What? Can I help you?
出自:西北大学大学英语(上)