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': 'Which of the following is the drug of choice for the treatment of Syndrome of Inappropriate Antidiuretic Hormone secretion ? \nSelect and explain. \nA. Demeclocycline, B. Vasopressin, C. Thiazide diuretics, D. Chlorpropamide', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]