This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Hepatitis, Subject name: Medicine
[{'content': 'Acute Hepatitis B infection is diagnosed by? \nSelect and explain. \nA. HbsAg, B. HbcAg, C. HbsAg + IgM anti-HBc antibody, D. HbsAg + HbcAg', 'role': 'user'}, {'content': 'Answer: C \nExplanation: HBsAg Anti-HBs Anti-HBcAg HBeAg Acute hepatitis B, High infectivity + - IgM + Window period - - IgM - Chronic Hepatitis B + - IgG + Cured - + IgG - Vaccination - + - -', 'role': 'assistant'}]