A、In San Francisco. B、At an airport. C、At a travel agency. D、In a post office. D女士想快递包裹到旧金山，并询问购买邮票。男士给她邮票后要求她将包裹放到磅秤上称重量。可见对话应发

W: Why are you leaving so early? The movie doesn’t start till seven.
M: I don’t want to be at the traffic there. It’s a nightmare on the expressway during rush hour.
Q: What does the man mean?

W: Hi, I’d like to send this package by express mail to San Francisco and I would like to buy a sheet of stamps, please.
M: Here are your stamps, and just put the package on the scale.
Q: Where does the conversation most probably take place?