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: Medicine
[{'content': 'Heera lal 35 years old man was found +ve for HBs Ag & HBe Ag accidently during screening on blood donation. On lab examination SGOT and SGPT are normal. What should you do next - \nSelect and explain. \nA. Liver biopsy, B. Interferon therapy, C. Observation, D. HBV - DNA estimation', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]