单项选择题

Conversation 1
W: Good morning, can I help you
M: Yes, please. (7)I’d like to cash two traveler’s cheques.
W: Could you sign your name here please
M: Sure.
W: Thank you. How would you like your money
M: In hundreds and fifties, please.
W: Ok. It’s 1,660 yuan, here you are.
M: Thanks. May I know the exchange rate
W: Well, at the moment the exchange rate between US dollars and RMB is 1:8.3. You give me two $100 cheques; here is 1,660 yuan. Is that right
M: Yes, thanks.

Where does the conversation most probably take place()

A. In a supermarket.
B. In a bank.
C. In an office.
D. In a stock market.