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
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 - 
Select and explain. 
A. Acute pancreatitis, B. Acute cholangitis, C. Acute viral hepatitis, D. Posterior penetration of peptic ulcer
C: Acute viral hepatitis
Answer: C: Acute viral hepatitis 
Explanation: None