A specific phobia is an anxiety disorder characterized by an intense, persistent fear of a specific object, situation, or activity, leading to avoidance behavior. Common phobias include fear of heights, spiders, or flying.
- Generalized anxiety disorder (A) involves excessive, uncontrollable worry about a range of everyday issues, rather than a specific object or situation.
- Obsessive-compulsive disorder (B) involves intrusive thoughts (obsessions) and repetitive behaviors (compulsions) performed to reduce anxiety.
- Post-traumatic stress disorder (D) occurs after experiencing or witnessing a traumatic event, leading to symptoms such as flashbacks, nightmares, and emotional numbness.
Therefore, the correct answer is (C), specific phobia.