听下面的对话。从题中所给的A、B、c三个选项中选出最佳答案。 1. What does Lily's mother do? A. She's a farmer. B. She's a doctor. C. She's a teacher. 2. Which floor does Jack live on? A. The 20th floor. B. The 6th floor. C. The 12th floor. 3. Who made the cake? A. Martin's aunt. B. Martin. C. Martin's sister. 4. When will Lucy leave? A. At 8:30. B. At 8:45. C. At 8:15. 5. What does the man's answer mean? A. He asks the woman to help him. B. He's free and he can help the woman. C. He is too busy to help the woman these days.