A nurse is caring for a client who is 1 day postpartum following a cesarean birth. To prevent thrombophlebitis, the nurse should include which of the following interventions in the client's plan of care?

B Have the client ambulate frequently in the hallway. C Keep the client on bed rest. A Apply warm, moist soaks to the client's lower legs. D Place pillows under the client's knees while she is resting in bed.