This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Surgery
[{'content': 'Insulinoma is most commonly located in which pa of the pancreas \nSelect and explain. \nA. Head, B. Body, C. Tail, D. Equally distributed', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Viually,all insulinomas are located in the pancreas and tumors are equally distributed with the gland Bailey & Love ,26th,788.', 'role': 'assistant'}]