A、Cash a check. B、Open an account. C、Change some money. D、Make a deposit. C事实细节题。本题询问“男士想要做什么?”根据男士的回答“我想兑换200美元”可知他想兑换货币，正确答案是选

W: Hi, Jack. Did you watch the football game last night?
M: Of course, I did. It was so exciting.
Q: What are they talking about?

W: Good morning. What can I do for you?
M: I’d like to change 200 U.S. dollars.
Q: What did the man want to do?