Failure of fusion of the endocardial cushions leads to the condition known as persistent atrioventricular canal. This is associated with all of the following EXCEPT( )
A.
atrial septal defect
B.
ventricular septal defect
C.
mitral valve defect
D.
tricuspid valve defect
E.
either an aortic or a pulmonary valve defect
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【单选题】Which group of words has the same vowel sound?