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
Hepatic encephalopathy is predisposed by-a) ↑K+b) Dehydrationc) Constipation  d) G.I. bleeding e)  S.B.P. 
Select and explain. 
A. abc, B. acd, C. ac, D. bcde
D: bcde
Answer: D: bcde 
Explanation: None