The home health care nurse is caring for a 30-year-old woman with type I diabetes mellitus. The client has been maintained on a regimen of NPH and regular insulin and a 1,800-calorie diabetic diet with normal blood sugar levels. Morning self-monitoring blood sugar (SMBG) readings the past two days were 205 mg/dL and 233 mg/dL. The nurse expects the physician to

D eliminate the client's bedtime snack. C order an additional 10 units of regular insulin at 8 PM. B order 3 additional units of NPH insulin at 10 PM. A reduce the client's diet to 1,500 calorie ADA.