This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Peritoneum, Subject name: Surgery
A 10 years old boy, suffering from nephrotic syndrome developed peritonitis. Which of the following organism is most commonly responsible? 
Select and explain. 
A. E. coli, B. Klebsiella, C. Group A streptococci, D. Bacteroides fragilis
C: Group A streptococci
Answer: C: Group A streptococci 
Explanation: Spontaneous bacterial peritonitis (SBP): ASCITES Children - MCC is Nephrotic syndrome Due to bacterial translocation M/C organism responsible Adults: E. coli Children: Group A streptococci