A 60-year-old man with type 2 diabetes on Gliclazide is found on the ward with capillary glucose 2.8 mmol per litre. He is conscious and able to swallow but feels shaky and sweaty. What is the most appropriate initial treatment?AGive 150 mL of 10 percent intravenous dextroseBGive 15 to 20 g of fast-acting carbohydrate orally, such as a sugary drink, and recheck glucose in 10 to 15 minutesCGive intramuscular Glucagon onlyDStop his Gliclazide and observe without treatmentEStart an insulin infusion to stabilise glucoseCheck my answer