This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pathology
A new born with a marked CHD with decreased pulmonary vascularity should be treated with? 
Select and explain. 
A. Digoxin, B. Indomethacin, C. Prostaglandin E1, D. Epinephrine
C: Prostaglandin E1
Answer: C: Prostaglandin E1 
Explanation: .