Stephanie Has Been a Smoker for Many Years, and Has

Multiple Choice

Stephanie has been a smoker for many years, and has lately developed a form of chronic obstructive pulmonary disease. Her doctor tells her that her illness is probably a result of her smoking, though some cases have genetic roots as well. Stephanie is probably suffering from​

A) ​emphysema.
B) ​lung cancer.
C) ​asthma.
D) ​acute bronchitis