Risk of endocarditis is more in all   in all of the following lesions except:
(A) VSD. (B) MR. (C) AR. (D) ASD.
(D) Risk of endocarditis is less in low pressure lesions like Atrial septal defect (ASD) while it is more in high pressure lesions like ventricular septal defect (VSD), mitral regurgitation and aortic regurgitation.