Which Statement About Post-Traumatic Stress Disorder (PTSD) Is False

Which statement about post-traumatic stress disorder (PTSD) is false?

A) It has been diagnosed in very few soldiers returning from the wars in Iraq and Afghanistan.
B) It occurs in people who have experienced or witnessed traumatic events, such as the 9/11 terrorist attacks.
C) It is characterized by nightmares and flashbacks in which people relive the traumatic event.
D) It is associated with increased physiological and psychological reactivity to events that are related to the trauma.