While Sid is sitting at his desk at work an image of harming his young son pops into his mind. Each time this occurs, he touches all four corners of his desk in a particular order. Sid probably suffers from

A) generalized anxiety disorder.
B) agoraphobia.
C) obsessive-compulsive disorder.
D) panic disorder.

Obsessive-compulsive Disorder

A mental disorder where people feel the need to check things repeatedly, perform certain routines repeatedly, or have certain thoughts repeatedly.

Generalized Anxiety Disorder

Generalized Anxiety Disorder is a mental health condition characterized by persistent and excessive worry about various aspects of life.

Agoraphobia

A type of anxiety disorder characterized by an intense fear of being in places or situations from which escape might be difficult or embarrassing, or where help may not be available in case of a panic attack.