5.A newborn baby is observed to be cyanotic immediately after birth. Diagnostic studies, including an ultrasound, reveal that the baby has persistent truncus arteriosus. Which of the following additional defects is this baby most likely to have? A: Dextrocardia B: Membranous ventricular septal defect C: Secundum-type atrial septal defect D: Tetralogy of Fallot E: Transposition of the great arteries