Which of the following conditions is not associated with the development of aortic regurgitation.. Dilated cardiomyopathy

Which of the following conditions is not associated with the development of aortic regurgitation?
A.A Rheumatic fever
B.A Ankylosing spondylitis
C.A Marfan's syndromeia
D.A Syphilis
E.A Dilated cardiomyopathy***