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
[{'content': 'Most common cause of water intoxication in surgical patient is due to: \nSelect and explain. \nA. Colorectal wash with plain water, B. Syndrome of inappropriate secretion of ADH, C. Irrigation during transurethral resection of prostate, D. Excessive infusion of 5% glucose', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]