听下面一段较长对话,回答以下小题。
14. How does the man feel about David’s way of sleeping?
A.Harmful. | B.Strange. | C.Perfect. |
15. How many hours does David sleep a day?
16. What does the man imply at the end of the conversation?
A.People should develop a habit like David’s. |
B.People need longer hours of sleep. |
C.People have different sleeping habits. |