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': 'The best surgical management for villous adenoma of the rectum is - \nSelect and explain. \nA. Local resection of lesion, B. Repeated sigmoidoscopy, C. Abdomino perineal resection, D. Electrolyte infusion and chemotherapy', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]