The nurse is assisting with patients on an orthopedic unit. Which is an important factor to remember when caring for patients after a total hip replacement?A. Sitting in a bedside chair is permitted if the legs are elevated.B. Place three pillows between the legs, one distal and three proximal.C. Side-lying position is permitted with a pillow between the legs.D. A triangular pillow is used between the legs to avoid adduction.