In the congenital heart disease of left to right shunt, the left ventricular load is not increased
选项：

A: Patent ductus arteriosus;
B:Atrial septal defect;
C:Ventricular septal defect;
D:Ventricular septal defect with right ventricular funnel stenosis;
E:Ventricular septal defect with pulmonary artery stenosis