This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anatomy
[{'content': 'Nasopharynx consists of all except: \nSelect and explain. \nA. Pyriform recess, B. Pharyngeal recess, C. Pharyngeal tonsil, D. Salpingopharyngeal fold', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]