听下面一段材料,回答第1 至3题 1 . Why did the woman congratulate the man? A. Because he was elected chairman of the Students’ Union. B. Because he was elected chairman of a social organization. C. Because he was elected deputy chairman of the Students’ Union. 2. How many candidates were there? A. 3. B. 4. C. 5. 3. What did the man’s teachers advise him to do? A. Not to lose the opportunity. B. Not to join in the election. C. Not to devote time and energy to social work.