This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Forensic Medicine
[{'content': 'Fear of contamination, counting behaviors and having to check and recheck are features characteristic of: UPSC 09 \nSelect and explain. \nA. Panic attacks, B. Agoraphobia, C. Obsessive-compulsive disorder, D. Generalized anxiety disorder', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. Obsessive-compulsive disorder', 'role': 'assistant'}]