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: Microbiology
[{'content': 'Best site for collection of specimen for N.meningitides - \nSelect and explain. \nA. Oral swab, B. Nasal swab, C. Nasopharyngeal swab, D. Skin lesions', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]