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: Surgery
[{'content': 'IOC for polyscystic kidney disease \nSelect and explain. \nA. USG, B. MRI, C. IVU, D. CECT', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]