You Are Able to Pull Your Hand Quickly Away from Hot

You are able to pull your hand quickly away from hot water before pain is felt because

A) movement of the hand is a reflex that involves intervention of the spinal cord only.
B) movement of the hand does not require intervention by the central nervous system.
C) the brain reacts quickly to prevent severe injury.
D) the autonomic division of the peripheral nervous system intervenes to speed contraction of the muscles of the hand.