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: Surgery
Which one of the following is not a treatment of gastroesophageal variceal haemorrhage - 
Select and explain. 
A. Sclerotherapy, B. Sengstaken tube, C. Transjugular intrahepatic portacaval shunt, D. Gastric freezing
D: Gastric freezing
Answer: D: Gastric freezing 
Explanation: None