A 72-year-old man with insulin-treated type 2 diabetes is found in your waiting room feeling shaky and sweaty. Capillary blood glucose is 2.4 mmol/L. He is alert and able to swallow safely. What is the most appropriate immediate management?AAdminister 50 mL of 50% dextrose intravenouslyBGive 15-20 g of fast-acting oral carbohydrate (for example, glucose tablets or sugary drink)CGive intramuscular glucagon 1 mgDAsk him to wait and repeat his glucose in 30 minutesEStop insulin permanentlyCheck my answer