Darcy Is Sitting at Her Desk in Her Office One

Darcy is sitting at her desk in her office one day when, without warning, her heart begins racing rapidly, she has a sensation of being "out of her body," and she experiences dulled vision and hearing, rapid breathing, and sweating. She thinks she is having a heart attack. Nothing she is doing seems to have caused such an episode. Her symptoms MOST resemble

A) a phobia.
B) a panic attack.
C) posttraumatic stress.
D) an affective disorder.
E) a dissociative disorder.