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
What is the metabolic abnormality seen in large colorectal villous adenoma? 
Select and explain. 
A. Hypochloremic metabolic alkalosis, B. Hypokalemic metabolic acidosis, C. Chlorine sensitive metabolic acidosis, D. Chlorine sensitive metabolic alkalosis
B: Hypokalemic metabolic acidosis
Answer: B: Hypokalemic metabolic acidosis 
Explanation: Villous adenomas causes profuse watery diarrhoea and hypokalemia.