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: Unknown
[{'content': 'Acute epiglottitis in children caused by - \nSelect and explain. \nA. H. Influenzae, B. Pseudomonas, C. Streptococcus, D. Staph. Aureus', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans-Cstreptococcus > h.influnza', 'role': 'assistant'}]