听下面一段材料，回答第1-3题。 1. How many times does the man ask the waiter for a drink? A. 2. B. 3. C. 4. 2. Why does the waiter refuse to serve the man? A. The man appears to be drunk. B. The man is too young to be allowed to drink. C. The man can’t pay for his drinks. 3. What does the man mean when he cries out, “Man! How many bars do you work at? A. He can’t understand why the waiter changes his job so often. B. He thinks he has met the same waiter in different bars. C. He is angry that the waiter keeps following him.