PLEASE HELP Which of the following is an example of an organism's response to an internal stimulus in order to maintain homeostasis?

A. A predator scares a rabbit and he runs for safety.

B. The temperature drops in Canada so the birds migrate south.

C. A bird is hungry so he searches for food.

D. The Sun causes a plant to increase its temperature.

E. A student feels the outside cold temperatures and puts on a hoodle.