Jayne was in a fast-food restaurant when a man walked in, drew a gun, and started shooting, killing two people before killing himself. although jayne was not injured in the shooting spree, she has since been unable to return to work. she can't seem to stop thinking about the event. she has recurrent nightmares, is unable to sleep, and does not want to leave her home. it is most likely that jayne is suffering from: generalized anxiety disorder. posttraumatic stress disorder. cyclothymic disorder. obsessive-compulsive disorder.

Post-traumatic stress syndrome is the name that receives a disorder that originates in individuals who have been exposed to traumatic events as war, kidnap, witnesses of violent events, witnesses of natural disasters, among others. Post-traumatic stress syndrome patients used to remember those episodes of their lives, also, have nightmares. According to the statement, Jayne is suffering post-traumatic stress because she has some of the symptoms of this syndrome like she can not stop thinking about the event, has recurrent nightmares related to the event, and does not want to leave her home. So, the correct answer is B. Post-traumatic stress disorder