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': "Position of internal hemorrhoid in anus is especially common in \nSelect and explain. \nA. 4 0' clock position, B. 11 0' clock position, C. 8 0' clock position, D. 9 0' clock position", 'role': 'user'}, {'content': "Answer: B \nExplanation: Answer- B. 11 0' clock positionInternal hemorrhoids characteristically lie in 3, 7 and 11 o'clock positions.", 'role': 'assistant'}]