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: Pathology
[{'content': 'Unicentric, non-functional, anatomically benign, clinically persistent tumor is \nSelect and explain. \nA. CEOT, B. Enameloma, C. Odontorna, D. Ameloblastoma', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]