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
Most common organism for causing infective endocarditis in native valve - 
Select and explain. 
A. Streptococcus Viridans, B. Enterococci, C. Staphylococci, D. Gram negative bacilli
C: Staphylococci
Answer: C: Staphylococci 
Explanation: None