A 58-year-old man with type 2 diabetes on insulin is found confused and sweaty at home. Capillary blood glucose is 2.1 mmol/L. He has IV access. What is the most appropriate immediate management?AGive oral juice and recheck glucose in 4 hoursBIntravenous 50 mL of 50% dextrose or equivalent bolusCAdminister long-acting insulinDGive glucagon intramuscularly and ignore IV accessEObserve without intervention as he is likely to improve spontaneouslyCheck my answer