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
Which of the following is least likely to be associated with Infective Endocarditis - 
Select and explain. 
A. Small ASD, B. Small VSD, C. Mild MR, D. Mild MS
A: Small ASD
Answer: A: Small ASD 
Explanation: None