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': "A young male patient presents with complete rectal prolapse. The surgery of choice is: \nSelect and explain. \nA. Delerome's procedure, B. Anterior resection, C. Abdominal rectopexy, D. Goodsall's procedure", 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]