The Nurse Is Caring for a Woman Who Had a Cesarean

The nurse is caring for a woman who had a cesarean birth yesterday. Varicose veins are visible on both legs. To prevent thrombus formation the nurse would:

A) Have the woman sit in a chair for meals.
B) Monitor vital signs every 4 hours and report any changes.
C) Tell the woman to remain in bed with her legs elevated.
D) Assist the woman with ambulation for short periods of time.