This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nutrition, Subject name: Medicine
[{'content': 'Which is the wrong statement regarding hepatitis viruses? \nSelect and explain. \nA. Hepatitis A & E are enveloped viruses, B. Hepatitis D are circular RNA virus, C. Hepatitis C & E contains linear RNA virus, D. No vaccine is available for hepatitis C virus', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Hepatitis A & E are non enveloped virus Hepatitis B is the only DNA virus Hepatitis B & D have a circular genome ref - davidsons medicine 23e pg872-875', 'role': 'assistant'}]