This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Pharynx, Subject name: ENT
[{'content': 'Nasopharyngeal carcinoma affects which age group \nSelect and explain. \nA. Children, B. Adolescents, C. 3rd decade, D. 5th decade', 'role': 'user'}, {'content': 'Answer: D \nExplanation: * Age:- It is mostly seen in fifth to seventh decades but may involve younger age groups. It is not uncommon to see the cancer of nasopharynx in the twenties and thiies. * Sex:-Males are three times more prone than females. (Ref: Diseases of Ear, Nose and Throat, P.L Dhingra, 7th edition, page 284)', 'role': 'assistant'}]