FOR TEENS, A GOOD MOOD DEPENDS ON GOOD SLEEP How does paragraph 13 contribute to the development of ideas in the text?
A. It shows how easy it is for schools to allow teenagers to sleep longer.
B. It emphasizes the positive outcomes of starting school later for teenagers.
C. It points out how uncommon it is for teenagers to go to school later in the U. S.
D. It explains why many states are hesitant to start school at a later time. x