Carla Had Been Outside for Most of the Evening at a Football

Carla had been outside for most of the evening at a football game. As the sun began to set, she started experiencing coldness. How would Carla's body respond in this situation to maintain a safe body temperature?

A) She would begin to sweat.
B) Her metabolism would increase.
C) Blood vessels in her arms and legs would dilate.
D) She would feel less hungry.