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
[{'content': 'A new born with a marked CHD with decreased pulmonary vascularity should be treated with? \nSelect and explain. \nA. Digoxin, B. Indomethacin, C. Prostaglandin E1, D. Epinephrine', 'role': 'user'}, {'content': 'Answer: C \nExplanation: .', 'role': 'assistant'}]