A Client Diagnosed with COPD Says, "I Don't See Why

A client diagnosed with COPD says, "I don't see why I need to stop smoking. The damage to my lungs is already done." How should the nurse respond to this statement?

A) "If you stop smoking now, your COPD may not get worse as fast."
B) "If you stop smoking, your lungs will get better pretty quickly."
C) "Your symptoms might not be as bad if you aren't smoking."
D) "You are probably correct, but you should at least try."
E) "If I were you, I would enjoy what time I have left."