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: Pharmacology
[{'content': 'Drugs used for the treatment of acute variceal bleeding are all except: \nSelect and explain. \nA. Octreotide, B. Somatostatin, C. Desmopressin, D. Terlipressin', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]