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': 'Which statement is wrong regarding Hepatitis B? \nSelect and explain. \nA. It is due to RNA virus, B. Blood is the main source of infection, C. Chronicity is present, D. It may turn into hepatocellular carcinoma', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Hepatitis B It is the only hepadna virus causing infection in humans It comprises capsule and a core containing DNA and DNA polymerase enzymes. Blood is the main source of infection Chronic HBV infection is marked by the presence of HBsAg and Anti HBc IgG in the blood.', 'role': 'assistant'}]