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': 'Chronic liver disease is caused by : \nSelect and explain. \nA. Hepatitis B, B. Hepatitis A, C. Hepatitis C, D. Hepatitis E', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]