In Addition to Closing the Atrial and Septal Defect, the Goal

In addition to closing the atrial and septal defect, the goal of surgery for atrioventricular septal defect is to:

A) close a patent ductus arteriosus, which accompanies the atrioventricular septal defect
B) insert a coil or similar device to close off the defect
C) construct new mitral and tricuspid valves from the common A-V valve
D) close the communication between the pulmonary artery and the aorta