Detailed Instructions: In this task, you will be shown a conversation. You need to write a question with three choices for the conversation. Your question should be answerable based on the conversation and only have one correct answer. Note that you don't need to answer your question. "W" and "M" in the conversations stand for "woman" and "man".
Q: M: I am afraid there won't be time to do another tooth today. Make sure you don't eat anything like stakes for the next few hours, and we'll fill the other cavity tomorrow. W: All right. Acutually, I must hurry to the library to return some books.
A:
Where does the conversation most probably take place? (A) At a bookstore. (B) At the dentist's. (C) In a restaurant.