A.In a book store.B.In a parkC.In a post office.D.In a library.

【答案】D

【解析】

【原文】

W: Can I help you?

M: I'm looking for a book about space travel.

W: It's over there.

M: Thank you. How long can I keep it?

W: For two weeks.

Q: Where does the dialogue probably take place? (D).