When Caring for a Patient Following an Incisional Cholecystectomy for Cholelithiasis,on

When caring for a patient following an incisional cholecystectomy for cholelithiasis,on what patient outcome should the nurse place the highest priority?

A) Turning,coughing,and deep-breathing every 2 hours to prevent respiratory complications
B) Choosing low-fat foods from the menu to prevent weight gain
C) Performing leg exercises every hour while awake to prevent foot drop
D) Ambulating the evening of the operative day to prevent constipation