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: Microbiology
Enterotoxins are produced by all except - 
Select and explain. 
A. Clostridium perfringens, B. Staphylococcus aureus, C. Streptococcus pyogenes, D. Bacillus cereus
C: Streptococcus pyogenes
Answer: C: Streptococcus pyogenes 
Explanation: None