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 patient presenting with jaundice the HIDA scan would be most useful for which of the following:- \nSelect and explain. \nA. Biliary atresia, B. Cholelithiasis, C. Bile duct carcinoma, D. Benign biliary disease', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]