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': 'External hemorrhoids below the dentate line are - \nSelect and explain. \nA. Painful, B. Ligation is done as management, C. Skin tag is not seen in these cases, D. May turn malignant', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]