This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Otosclerosis, Subject name: ENT
[{'content': 'Otosclerosis shows which kind of tympanogram? \nSelect and explain. \nA. Low compliance, B. High compliance, C. Normal compliance, D. No effect on compliance', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. (a) Low complianceRef: Appendix-48 for "Types of Tympanogram', 'role': 'assistant'}]