This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.V.S, Subject name: Pathology
[{'content': 'The probable interval between throat infection and onset of rheumatic fever is: \nSelect and explain. \nA. 2-4 hours, B. 2-4 days, C. 2-4 weeks, D. 2-4 months', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. (c) 2-4 weeks(Ref: Robbins 9th/pg 559; 8th/pg 566)Acute RF typically appears 10 days to 6 weeks after a group A streptococcal infection in about 3% of patients.', 'role': 'assistant'}]