When the Nurse Is Teaching a Manual Skill,such as Self-Injection

When the nurse is teaching a manual skill,such as self-injection of insulin,the best way to set up the teaching-learning session is to

A) provide written pamphlets for instruction.
B) show a video and allow the patients to practice as needed on their own.
C) verbally explain the procedure and provide written handouts for reinforcement.
D) allow the patients to do several "return" demonstrations after the nurse has demonstrated the procedure.