听下面一段材料, 回答第1至4题. 1. When did the man buy the computer? A. Three months ago. B. Two months ago. C. Three weeks ago. 2. What is the problem with the man's computer? A. It always dies. B. It can't be started. C. It can't be turned off. 3. What is not mentioned in the conversation? A. The Volunteers' League. B. The Student's Union. C. The school football team. 4. What can we know about the man? A. He lost a scholarship. B. He likes being busy. C. He likes playing football.