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
Most common cause of SABE is: 
Select and explain. 
A. Staph, B. Streptococcus, C. E.coli, D. Haemophilus
B: Streptococcus
Answer: B: Streptococcus 
Explanation: Streptococcus