This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Medicine
[{'content': 'Localization in insulinoma is best with : \nSelect and explain. \nA. Contrast Computerised Tomography, B. Magnetic Resonance Imaging, C. Somatostatin Receptor Scintigraphy, D. Selective aeriography', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Localization in insulinoma is best with Selective aeriography .', 'role': 'assistant'}]