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: Psychiatry
[{'content': 'Pappu, a 49-year male complained of sudden onset of palpitation and apprehension. He is sweating for last 10 minute and fears of impending death. Diagnosis is - \nSelect and explain. \nA. Hysteria, B. Cystic fibrosis, C. Panic attack, D. Generalized anxiety disorder', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]