Awnser:
Waiter/Waitress can verbally list ingredients in dish.
Caring, motivation, Assistanting, giving
The pineal gland is in charge of producing melatonin which regulates your body's rhythms (including your circadian rhythm, a rhythm that tells your body if it is night or daytime). This would cause your body to think it is earlier than it actually is, keeping you awake.
D. Cancer is the uncontrolled growth of human cells in the body.
I second guessed myself on this one, my original answer was C. Sorrt if this turns out wrong.