Sebastian Was Outside the Parking Garage When, Out of Nowhere

Multiple Choice

Sebastian was outside the parking garage when, out of nowhere, he suddenly felt overwhelming fear. Sebastian noticed that his fear increased, he started to feel out of control, and the intensity of the feelings seemed to reach a peak and then pass within a few minutes. This is an example of a:

A) panic attack.
B) phobic disorder.
C) generalized anxiety disorder.
D) posttraumatic stress disorder.