This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pediatrics
A newborn baby develops cyanosis on day three of life. On auscultation, there is a systolic murmur. Echocardiography reveals a cyanotic hea disease in the baby. Which one of the following drugs can be administered to prolong the life of the baby pending intervention - 
Select and explain. 
A. Indomethacin, B. Ibuprofen, C. Prostaglandin El, D. Propanolol
C: Prostaglandin El
Answer: C: Prostaglandin El 
Explanation: Ans. is 'c' i.e., Prostaglandin E1