A client who was admitted with Hyperglycemia Hyperosmolar nonketotic coma (HHNK) asks how he can prevent recurrence of this illness the nurse would instruct the client that which of the following are helpfull prevention measures

A) use sliding scale insulin to cover periodic snack of candy

B)maintain fluid balance by drinking four glasses of water daily

C)detect and treat infection early, maintain hydration, and use stress management techniques

D) consult primary care provider when fasting blood glucose is elevated.