This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Respiratory System (Histology), Subject name: Anatomy
[{'content': 'Nasopharynx is lined by - \nSelect and explain. \nA. Stratified squamous keratinized epithelium, B. Stratified squamous non-keritimized epithelium, C. Cuboidal epithelium, D. Ciliated columnar epithelium', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd'i.e., Ciliated columnar epithelium o Repeat from All India Dec - 15", 'role': 'assistant'}]