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: Microbiology
[{'content': 'First antiboy to appear in hepatitis: \nSelect and explain. \nA. IgM anti HBe, B. IgM anti HBc, C. IgG anti HBe, D. IgM anti HBs', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. b. IgM anti HBc', 'role': 'assistant'}]