A 28-year-old with DKA is started on IV insulin at 0.1 units/kg/hour after fluids. When plasma glucose falls to 190 mg/dL and anion gap remains elevated, what is the next step?AStop insulin and switch to subcutaneous regimen immediatelyBReduce insulin to 0.02-0.05 units/kg/hour and stop all dextroseCContinue insulin at the same rate and keep isotonic saline onlyDAdd dextrose to fluids and reduce insulin to 0.02-0.05 units/kg/hour until ketoacidosis resolvesEGive IV bicarbonate to hasten closure of the gapCheck my answer