【单选题】1. What can be learned about PTSD?
A. PTSD is a physical disorder. B. PTSD is a psychological disorder. C. Subway conductors and soldiers are prone to PTSD. D. PTSD victims often complain of poor memories and severe headaches.
A. PTSD is a physical disorder. B. PTSD is a psychological disorder. C. Subway conductors and soldiers are prone to PTSD. D. PTSD victims often complain of poor memories and severe headaches.
