A nurse on a mental health unit is caring for a client who has generalized anxiety disorder. The client received a telephone call that was upsetting and now the client is pacing up and down the corridors of the unit. Which of the following actions should the nurse take?

A Instruct the client to sit down and stop pacing. B Have a staff member escort the client to her room. D Walk with the client at a gradually slower pace. C Allow the client to pace alone until physically tired.