This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nasal Polyposis, Subject name: ENT
[{'content': '"Bernoulli\'s theorem" explains: \nSelect and explain. \nA. Nasal polyp, B. Thyroglossal cyst, C. Zenker\'s diverticulum, D. Laryngomalacia', 'role': 'user'}, {'content': "Answer: A \nExplanation: (a) Nasal polyp(Ref. Scott Brown, 6th ed., 4/10/2)Thyroglossal cyst and laryngomalacia are the congenital malformations.Zenker's diverticulum occurs due to neuromuscular incoordination.", 'role': 'assistant'}]