45. In movies that focus on war (e.g., Born on the Fourth of July, Apocalypse Now, First Blood), soldiers who have returned from the frontlines often struggle with overwhelming anxiety, nervousness, depression, and flashbacks. In many cases these soldiers have problems with memory and an inability to experience happiness. These characters have ______.
B. post-traumatic stress disorder (PTSD)
D. dissociative identity disorder (DID)