This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Ear, Subject name: ENT
[{'content': 'Areas of spontaneous healed pa of tympanic membrane are called as \nSelect and explain. \nA. Dimeric, B. Pontiac, C. Both of the above, D. None of the above', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Healed tympanic membrane has only two layers - Epithelial and mucosal layers Middle fibrous layer is absent Ref: Dhingra 7e pg 59.', 'role': 'assistant'}]