When Instructing a Client in the Use of a Walker,the

When instructing a client in the use of a walker,the nurse explains that the client should

A) Lift up the walker and move forward several inches,then walk toward the walker.
B) Lift up the walker,move forward,and at the same time move the unaffected leg with the walker.
C) Move the walker forward,keeping all four feet of the walker on the floor,then move toward the walker.
D) Move the walker forward by pushing and walking at the same time.