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: Medicine
A Carey Coomb's murmur heard in a child with mutiple joint pains is suggestive of - 
Select and explain. 
A. Infective endocarditis, B. Rheumatoid arthritis, C. Rheumatic fever, D. Libman-Sack's endocarditis
C: Rheumatic fever
Answer: C: Rheumatic fever 
Explanation: None