This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nose and paranasal sinuses, Subject name: ENT
[{'content': 'In allergic pharyngitis, granularity in posterior pharynx is due to \nSelect and explain. \nA. Hyperplasia of mucous membrane, B. Hyperplasia of sebaceous glands, C. Hyperplasia of submucosal lymphoid tissue, D. Inspissated mucous', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Pharyngeal signs include granular pharyngitis due to hyperplasia of submucosal lymphoid tissue. A child with perennial allergic rhinitis may show all the features of prolonged mouth breathing as seen in adenoid hyperplasia. Ref: Dhingra 7e pg 188.', 'role': 'assistant'}]