A20-day-old neonate, presented with a history of cyanosis since birth. Echocardiography examination diagnosed the patient with transposition of the great arteries. One of the following statements is TRUE:_________
a. Aboot-shaped heart is characteristic on chest X-ray
b. Rashkind septostomy i s indicated Prostaglandin
c. E1 (PGE1) is not indicated fi the patient is severely cyanosed
d. The patient can survive to school age without surgical repair Propranolol is used to prevent hyper cyanotic spells