4. PART B: Which detail from the paragraph 3 best supports the answer to Part A?
O A “These correlational findings do not prove that lack of sleep is
causing these problems."
OB “Sleep deficits reduce brain function, further disturbing areas in
which even well-rested adolescents struggle"
OC "Parents, educators and therapists need to pay attention to the
role of sleep in preventing mental illness among youth
OD "Its effect is likely larger than most therapies and medications."