Your Best Friend Seems Very Stressed Out Lately

Your best friend seems very stressed out lately. She appears to have a lot of anxiety, but is not showing any emotion. Every now and then she seems to have flashbacks to a specific event. Most likely, your friend

A) is high on Type A personality style.
B) has stress-induced amnesia.
C) has a low level of cortisol.
D) would benefit from matched intervention.
E) has post-traumatic stress disorder.