【单选题】

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. "