This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Infection, Subject name: Pediatrics
[{'content': 'The duration of treatment for streptococcal pharyngitis is: \nSelect and explain. \nA. 3 days, B. 5 Days, C. 7 days, D. 10 days', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. D. 10 daysStreptococcal sore throat presents as bilateral tonsil hypertrophy and erythema, with characteristic exudates. Treatment is with 10 days course of Penicillin V or a first generation cephalosporin.', 'role': 'assistant'}]