A nurse is reinforcing teaching with a client who is to start therapy with insulin lispro and insulin glargine. Which of the following should the nurse include in the teaching?

A. Insulin lispro is a rapid-acting insulin that should be taken just before a meal to cover postprandial glucose excursions. B. Insulin lispro and insulin glargine should not be mixed in the same syringe, as they have different onset and duration of action. C. Insulin vials should not be shaken, as this can lead to clumping and affect the insulin's effectiveness. D. Insulin glargine is a long-acting insulin and is typically given once a day.