A 64-year-old man with type 2 diabetes on insulin is found to have a capillary glucose of 2.3 mmol/L. He is awake but sweaty and trembling, and able to swallow. What is the most appropriate immediate treatment?AGive 15–20 g of fast-acting oral carbohydrate such as glucose tablets or sugary drinkBGive intravenous 10% dextrose via cannulaCGive intramuscular Glucagon and call an ambulanceDTell him to eat his usual meal later and recheck his glucose in 1 hourEStop insulin permanentlyCheck my answer