A 78-year-old man with type 2 diabetes and dementia is brought in drowsy and sweaty. Capillary blood glucose is 2.3 mmol/L. He is conscious but confused and can swallow. What is the most appropriate immediate treatment?AGive intravenous 50 percent DextroseBGive oral fast-acting carbohydrate such as Glucose gel or sugary drink, followed by longer-acting carbohydrateCGive subcutaneous Glucagon regardless of swallowingDObserve only and recheck glucose in 30 minutesEStop all diabetic medications and send him homeCheck my answer