Which Action Is Most Appropriate Regarding the Nurse's Administration of a Rapid-Acting

Which action is most appropriate regarding the nurse's administration of a rapid-acting insulin to a hospitalized patient?

A) Give it within 15 minutes of mealtime.
B) Give it after the meal has been completed.
C) Administer it once daily at the time of the midday meal.
D) Administer it with a snack before bedtime.