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
Increased anion gap metabolic acidosis is seen in all except : 
Select and explain. 
A. Starvation, B. Salicylate poisoning, C. Lactic acidosis, D. Diarrhoea
D: Diarrhoea
Answer: D: Diarrhoea 
Explanation: diarrhoea I. Lactic acidosis 2.Toxins - Ethylene glycol - Methanol - Salicylates 3.Renal failure 4. Ketoacidosis - Diabetes - Alcohol - Starvation Causes of High anion gap acidosis