1. How do the references to the CDC and AAP
contribute to the author's central claim?
O A. They support the idea that a lack of sleep can
affect both adults and children.
OB. They emphasize that medical experts
recommend later school start times for
teenagers.
O C. They suggest that later school start times will
not be able to solve the sleep problem with
teens.
O D. They reveal that students are suffering from a
lack of sleep because they are not listening to
medical advice.