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: Medicine
[{'content': 'Hepatic encephalopathy is predisposed by-a) ↑K+b) Dehydrationc) Constipation  d) G.I. bleeding e)  S.B.P. \nSelect and explain. \nA. abc, B. acd, C. ac, D. bcde', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]