This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Fluid and electrolytes, Subject name: Medicine
Which is not a cause of metabolic acidosis- 
Select and explain. 
A. Starvation, B. Alcoholism, C. Diabetic keto acidosis, D. Climbing to high altitudes
D: Climbing to high altitudes
Answer: D: Climbing to high altitudes 
Explanation: High altitudes : cause respiratory alkalosis, by stimulating respiratory centers. Ref: Harrison&;s 19thE