The nurse plans to teach a client who is receiving radiation therapy how to care for his skin at home. Which of the following should be included in the nurse's instructions

A．"Apply a heating pad to the area to relieve pain. "

B．"Keep the area covered when you go outdoors. "

C．"You may use deodorant soap if you wish to cleanse the area. "

D．"Put baby oil on the area after each treatment to keep it from getting dry. "