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': 'Holman Millar sign is seen in \nSelect and explain. \nA. Nasopharyngeal angiofibroma, B. Cranipharyngioma, C. Nasopharyngeal carcinoma, D. Laryngeal carcinoma', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Anterior bowing of the posterior wall of maxillary sinus often called antral sign or Holman-Miller sign, which is pathognomic of angiofibroma Ref:(Diseases of Ear, Nose and Throat, P.L Dhingra, 7th edition, page 281)', 'role': 'assistant'}]