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': 'Which of the following is false about ossifying fibroma? \nSelect and explain. \nA. Affects people in 3-4 decade of life, B. Maxilla affected more than the mandible, C. Circumscribed radio opacity, D. Continuous growth', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]