Your Heart Begins to Race as You Hear the Scary

Your heart begins to race as you hear the scary music in a movie because you sense that someone is about to be attacked by the murderous main character. In this situation, the beating of your heart is triggered by your:

A) Autonomic nervous system (ANS)
B) Vascular nervous system (VNS)
C) Primary nervous system (PNS)
D) Reactive nervous system (RNS)
E) Excitatory nervous system (ENS)