Since the war eight months ago, henry, a 35-year-old soldier, has been experiencing flashbacks that causes him to relive the grievous experiences that he went through during the war. henry is terrified of these flashback episodes and tries to avoid all reminders of the war. he refuses to talk about his feelings and avoids looking at his uniform. this anxiety interferes with henry's sleep and social functioning. in the context of anxiety and anxiety-related disorders, it can be inferred that henry is exhibiting the symptoms of:

a. post-traumatic stress disorder
b. obsessive-compulsive disorder
c. specific phobia
d. antisocial personality disorder