A 23-year-old man with type 1 diabetes is admitted with DKA. His capillary glucose is 28 mmol/L, pH 7.15 and ketones 5.8 mmol/L. After initial fluid resuscitation, what is the most appropriate IV insulin regimen?AFixed-rate IV insulin at 0.1 units/kg/hourBSliding-scale IV insulin based on hourly capillary glucoseCSingle IV bolus of 10 units soluble insulinDSubcutaneous rapid-acting insulin 0.1 units/kg statEWithhold insulin until glucose falls below 15 mmol/LCheck my answer