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: Microbiology
[{'content': 'Which of these is hepatitis B infection most commonly associated with? \nSelect and explain. \nA. PAN, B. SLE, C. Serum sickness, D. Polymyositis', 'role': 'user'}, {'content': 'Answer: C \nExplanation: .', 'role': 'assistant'}]