Question

How does lack of sleep affect risk of injury?
A. It interferes with hearing.
B. It causes illness.
C. It interferes with judgment.
D. It causes distractions.

Answer 1

I would have to say c

Answer 2

Most of these are caused by the decreased amount of sleep. In this case I would say the answer is B. Or D.

Try both, from articles I read lack of sleep causes distractions and rare illnesses.