A 68-year-old man with type 2 diabetes on Gliclazide collapses in clinic. He is sweaty and confused. Capillary glucose is 2.3 mmol/L. He can swallow but is disorientated. What is the most appropriate immediate management?AGive 1 ampoule of 50% glucose intravenously through a central line.BGive 15–20 g of fast-acting oral carbohydrate such as sugary drink or glucose tablets.CGive intramuscular Glucagon and arrange admission.DGive his usual metformin dose with food.EObserve for 30 minutes and repeat capillary glucose without treatment.Check my answer