W: Excuse me, could you tell me where the post office is? M: Post office? It's not far from here. Do you know Xinhua Road? W: I'm from the United States and this is my first trip to your city. I know nothing about the city. M: Oh, welcome to our city, I'll show you the road. Please follow me. W: Thanks, by the way, where can I buy a map of the city? M: Just at the gate of the post office. Look, the post office is just across the street. W: Thank you very much. Good-bye. M: Good-bye., Question: What does the woman want to buy? (A) A map of China. (B) A map of the city. (C) Stamps.
(B) A map of the city.