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 found that one of my schoolmates uses drugs. How can I help him, Mom? W: stay away from him, son. Never think that you can talk him out of the habit if he is addicted. But perhaps you can talk to your teacher about the matter.
A:
what's the woman's advice to her son? (A) Stop thinking about the matter. (B) Talk the drug user out of the habit. (C) Keep his distance from drug addicts.