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: ENT
[{'content': 'About laryngomalacia, all are true except - \nSelect and explain. \nA. Curled epiglottis, Flaccid arytenoids, B. Curled epiglottis, Flaccid aryepiglottic fold, C. Flaccidity of supraglottic larynx, D. Treatment is conservative', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]