A Client with COPD Tells the Nurse, "I Don't See

A client with COPD tells the nurse, "I don't see why I need to stop smoking because the damage to my lungs is already done." Which statement should the nurse provide the client?

A) "If you stop smoking, your lungs have a good chance of improving quickly."
B) "Your symptoms may be lessened if you aren't smoking."
C) "You should at least try because smoking is associated with other diseases."
D) "If you stop smoking the disease process will not advance."