A 24-year-old with type 1 diabetes presents with nausea, abdominal pain, Kussmaul respirations, glucose 520 mg/dL, pH 7.10, HCO₃⁻ 8 mEq/L, anion gap 28, and K⁺ 3.3 mEq/L. What is the next best step?AStart insulin infusion at 0.1 units/kg/h immediatelyBGive bicarbonate infusion until pH >7.3CReplete phosphate before insulinDGive IV potassium to raise K⁺ >3.3 mEq/L before starting insulinEAdminister long-acting insulin and discharge if improvedCheck my answer