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 lesions is not a common cause for vegetation formation in the hea ? 
Select and explain. 
A. AS, B. MS, C. MR, D. ASD
D: ASD
Answer: D: ASD 
Explanation: There is low flow and turbulence in ASD, so risk of vegetation formation and infective endocarditis is low.