Which statement includes an expert opinion as support for a claim?
A.
There are many stories of sleep deprivation causing deadly crashes in early morning traffic.
B.
If people must choose between eating a good meal and taking a long nap, the nap is the best choice.
C.
Dr. Herman Watts, a leading sleep scientist, states that sleep is just as important as nutrition to our health.
D.
Not getting enough sleep is just not a sensible thing to do, especially on cold, rainy days.