This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Virology, Subject name: Microbiology
[{'content': 'Which hepatitis virus is a DNA virus? \nSelect and explain. \nA. Hepatitis A, B. Hepatitis B, C. Hepatitis C, D. Hepatitis D', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. (b) Hepatitis BRef : Jawetz 24/e, table 35-1', 'role': 'assistant'}]