聽下面段對話，回答1-3題。
1. Why is David so fat?
A. Because he doesn't exercise.
B. Because he eats too much. ?
C. Because he watches TV all day.
2. What do we know about David??
A. He never eats lunch at noon.
B. He is busy but always does exercise. ?
C. He works all day for many hours.
3. What does the woman suggest in the end?
A. Eating less food.
B. Watching TV more often. ?
C. Enjoying music while taking a walk.
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