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: Surgery
[{'content': 'what is the most common site of gastrinoma in MEN 1 syndrome \nSelect and explain. \nA. Jejunum, B. Ileum, C. Duodenum, D. stomach', 'role': 'user'}, {'content': 'Answer: C \nExplanation: wall of the first pa of duodenum is the most common site of gastrinoma ref : bailey and love 27th ed', 'role': 'assistant'}]