A 62-year-old man with type 2 diabetes on Gliclazide is found unconscious on the ward. Capillary glucose is 2.1 mmol/L. He has a cannula in situ and an unprotected airway. What is the most appropriate immediate treatment?AAdminister 20 g of oral glucose gel between the cheek and gumBGive 1 mg intramuscular GlucagonCGive 75 mL of 20% dextrose IV (15 g glucose) or equivalent 10% dextrose infusionDStop his Gliclazide and observeEStart a variable-rate insulin infusionCheck my answer