_____________ is characterized by feelings of dread and foreboding and sympathetic arousal of at least six months' duration.

A) Dissociative identity disorder
B) Obsessive-compulsive disorder
C) Post-traumatic stress disorder
D) Generalized anxiety disorder

Generalized Anxiety Disorder

A chronic condition marked by excessive, uncontrollable worry about everyday matters.

Dissociative Identity Disorder

A psychological condition characterized by the presence of two or more distinct personality states that control behavior in different contexts.

Obsessive-compulsive Disorder

A mental disorder characterized by unwanted and intrusive thoughts (obsessions) and repetitive behaviors or mental acts (compulsions) that an individual feels driven to perform.