A 58-year-old man with type 2 diabetes on basal-bolus insulin experiences symptomatic hypoglycaemia at home with a capillary glucose of 3.0 mmol/L. He is conscious and able to swallow. What is the most appropriate immediate treatment?AAdminister 15 g of fast-acting carbohydrate, then follow with longer-acting carbohydrateBCall an ambulance and do nothing until paramedics arriveCGive 10 units of rapid-acting insulin to correct the low glucoseDAdvise him to eat a high-fat meal onlyEInject intramuscular glucagon in all cases of mild hypoglycaemiaCheck my answer