Mitch Tripped and Fell near the Campfire

Mitch tripped and fell near the campfire. When he reflexively drew back his hand, which had touched a hot coal, the signal sent throughout his nervous system went from his hand to his

A) spinal cord, then to his brain, and then back to his hand.
B) brain, then to his spinal cord, and then back to his hand.
C) spinal cord, then back to his hand, and then to his brain.
D) brain, and then simultaneously to his hand and spinal cord.