After Returning from the Iraq War,Caddell Was Plagued by Nightmares

Multiple Choice

After returning from the Iraq war,Caddell was plagued by nightmares of the attacks.In addition,he avoided anything associated with the war and was hypervigilant for danger.He has been home for nearly six months,but these symptoms continue.Caddell might have ________.

A) acute stress disorder
B) a mood disorder
C) obsessive-compulsive disorder
D) post-traumatic stress disorder