A、At a post office. B、At a theatre. C、At a restaurant. D、At a bank. D这个题目是提问地点的，根据我们听到的一些关键词，如：May l help you? open an account，c

W: Good morning. May I help you?
M: Yes, I’d like to open an account.   
W: We have quite a few types of account—current deposit, fixed deposit, bonus deposit, checking account and so on.
M: I am more interested in which would be more convenient for me.
W: Well, if you plan to travel during your vacations, I think a checking account would be more convenient for you. The rate is the same as that of the current deposit.
M: Is there a service charge?
W: No.
M: Then I’d like to open a checking account of 1,000 US dollars.
W: Please fill out this form first.
M: Okay.
6. Where is this conversation most probably taking place?