A 52-year-old with type 2 diabetes presents with polyuria, abdominal pain, K⁺ 3.1 mEq/L, glucose 480 mg/dL, pH 7.18, bicarbonate 12 mEq/L, positive serum ketones. What is the next best step before starting IV insulin?ABegin insulin infusion at 0.1 units/kg/h immediatelyBGive bicarbonate because pH <7.2CAdminister potassium to raise K⁺ >3.3 mEq/L, then start insulinDRestrict fluids until potassium normalizesEGive subcutaneous insulin every 2 hoursCheck my answer