This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Liver, Subject name: Surgery
According to Pugh's classification moderate to severe hepatic insufficiency is managed by: 
Select and explain. 
A. Sclerotherapy, B. Conservative, C. Orthotopic liver transplantation, D. Shunt surgery
C: Orthotopic liver transplantation
Answer: C: Orthotopic liver transplantation 
Explanation: Ans. (c) Orthotopic liver transplantation* Child A and B can be managed with Conservative methods/Shunt surgeries etc.* Child C is an indication for Liver Transplant* Other Major surgeries can be done only for Child A* Minor surgeries only can be done in Child B* No other surgery other than Transplant is advised in Child C