This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Fluid & Electrolyte, Subject name: Medicine
All of the following cause high anion gap metabolic acidosis except: 
Select and explain. 
A. Lactic acidosis, B. Salicylats poisoning, C. Ethylene glycol poisoning, D. Ureterosigmoidostomy
D: Ureterosigmoidostomy
Answer: D: Ureterosigmoidostomy 
Explanation: Ans. is 'd' ureterosigmoidostomy Causes of High anion gap acidosisLactic acidosisToxinsEthylene glycolMethanolSalicylatesRenal failureKetoacidosisDiabetesAlcoholStarvation