After Smoking for 25 Years, 40-Year-Old Linda Was Finally Able

After smoking for 25 years, 40-year-old Linda was finally able to give up the habit. She was worried about her lung capacity, so she did some research and found out that

A) she will not begin to lose lung capacity for at least 10 more years.
B) even though she gave up smoking, she will still lose lung capacity at a faster rate than those who never smoked.
C) even though she used to smoke, her lung capacity will decline at the same rate as that of people who never smoked.
D) she will lose lung capacity at the same rate as she would have if she kept smoking.