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
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: None