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': 'Treatment of solitary rectal ulcer are A/E: \nSelect and explain. \nA. Laxatives, B. Rectopexy, C. Banding, D. All', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. is c i.e. Banding', 'role': 'assistant'}]