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: Radiology
[{'content': 'Abdominal organ best suited for CT scanning: \nSelect and explain. \nA. Liver, B. Gallbladder, C. Pancreas, D. Kidneys', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. Pancreas', 'role': 'assistant'}]