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
True about streptococcus pyogenes are all except: 
Select and explain. 
A. Causes only localized infection, B. Rheumatic fever is non-supporative complications, C. Erythrogenic toxin causes scarlet fever, D. Glomerulonephritis is due to antigenic cross-reactivity
A: Causes only localized infection
Answer: A: Causes only localized infection 
Explanation: Causes only localized infection