Mr. hoffman has always been cautious with his money, but over the past two weeks he has developed grandiose plans to bet his entire life savings on a single horse race. with unrestrained exuberance he has also been giving everybody he sees unsolicited advice on how to make millions in the stock market. mr. hoffman's behavior is most indicative of: a) a panic attack. b) an antisocial personality disorder. c) a manic episode. d) an obsessive-compulsive disorder. e) a dysthymic disorder.