After Teaching a Client Who Is Prescribed "Voice Rest" Therapy

After teaching a client who is prescribed "voice rest" therapy for vocal cord polyps,a nurse assesses the client's understanding.Which statement indicates the client needs further teaching?

A) "I will stay away from smokers to minimize inhalation of secondhand smoke."
B) "When I speak, I will whisper rather than use a normal tone of voice."
C) "For the next several weeks, I will not lift more than 10 pounds."
D) "I will drink at least three quarts of water each day to stay hydrated."