单选题 Woman: So you finally listen to your wife's advice and give up smoking.
Man: It was my doctor's advice. I'm suffering from high-blood pressure.
Question: What do we learn from the conversation?

• A. The man no longer smokes.
• B. The man is under pressure from his wife.
• C. The man usually follows his wife's advice.
• D. The man refuses to listen to his doctor's advice.