After Abdominal Surgery,the Patient Must Cough and Take Deep Breaths

After abdominal surgery,the patient must cough and take deep breaths.How can the nurse best achieve this with this patient?

A) Withhold analgesics until the patient performs this task.
B) Help the patient splint the incision with a pillow.
C) Explain that pneumonia occurs if deep breathing is not carried out every 4 hours.
D) Ambulate the patient 40 feet to increase his need for oxygen.