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': 'A 50-year-old lady presented with a history of pain upper abdomen, nausea, and decreased appetite for 5 days. She had undergone cholecystectomy 2 years back. Her bilirubin was 10 mg/dl, SGOT 900 IU/L SGPT 700IU/L and serum alkaline phosphatase was 280 IU/L. What is the most likely diagnosis - \nSelect and explain. \nA. Acute pancreatitis, B. Acute cholangitis, C. Acute viral hepatitis, D. Posterior penetration of peptic ulcer', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]