Darlene, a 62-Year Old Woman, Has Smoked a Pack of Cigarettes

Darlene, a 62-year old woman, has smoked a pack of cigarettes a day for most of her adult life. During this time, she had convinced herself that smoking was not that bad for her. But, after repeatedly being told how bad smoking is for her, Darlene starts to believe it. Based on the research on familiarity and health warnings, it is likely that:

A) Darlene will stop smoking for good.
B) Darlene will eventually go back to believing that smoking isn't that bad for her.
C) Darlene will speak to her doctor to confirm the anti-smoking message and then stop smoking.
D) Darlene will become an anti-smoking activist.