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 young male with galbladder stones shows the following test results, serum bilirubin 2.5, Hb 6, urine test positive for urobilinogen, diagnosis is - \nSelect and explain. \nA. Hemolytic jaundice, B. Obstructive jaundice, C. Hepatocellular jaundice, D. Protoporphyria', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]