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': 'Reverse transcriptase of HBV is coded on following gene - \nSelect and explain. \nA. c gene, B. s gene, C. p gene, D. x gene', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]