What does the author think of teenagers’ sleep?
选项:
A: Being young and healthy, teenagers need less sleep in the morning.
B: When babies get older, they start to sleep most of the time.
C: It’s hard to determine if eight hours’ sleep is enough for teenagers.
D: Teenagers need only nine to ten hours’ sleep per night.
发布时间:2024-05-24 12:52:07