A Postoperative Patient Says It Hurts Too Much to Breathe

A postoperative patient says it hurts too much to breathe deeply and cough every two hours;the patient refuses to carry out the activity.Which is an appropriate intervention based on adult learning principles?

A) Respect the patient's wishes and turn the patient side to side instead but more frequently.
B) Enlist the help of the physician in reinforcing the need to cough and breathe deeply.
C) Explain what happens to the lungs postoperatively and why the exercise is important.
D) Explain that it is the nurse's responsibility to prevent complications and insist that she comply.