This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Medicine
[{'content': '"Anhedonia" means \nSelect and explain. \nA. Lack of interest, B. Panic attacks, C. Phobic attack, D. Mood swings', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Defined as the inability to experience pleasure from activities usually found enjoyableAnhedonia can be characteristic of:Mood disordersSchizoaffective disorderBorderline personality disorderSchizoid personality disorderSchizophreniaRef: Ahuja 5/e p56, 58', 'role': 'assistant'}]