Which could be the best title for the passage? A. Are you an optimist or a pessimist? B. Self-talk for health. C. Thinking negatively: Is it all bad? D. Treat yourself better!Đoạn văn31/50Which could be the best title for the passage?Are you an optimist or a pessimist?Self-talk for health.Thinking negatively: Is it all bad?Treat yourself better!Giải thíchChọn B