Those Who Quit Smoking on Their Own

Those who quit smoking on their own

A) have strong beliefs in the health benefits of stopping smoking.
B) are more likely to have a socially supportive network that smokes.
C) are more likely to be women.
D) have high levels of self-control that is related to low relapse rates.
E) appear to be more successful in maintaining abstinence than participants in smoking cessation programs.