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.