Addicted smokers _______ when they are limited to smoking lower-nicotine cigarettes​

A) ​are found to smoke more cigarettes
B) ​are found to smoke fewer cigarettes
C) ​smoke the same number of cigarettes
D) ​refuse to smoke this type of cigarettes

Addicted smokers tend to compensate for the decreased nicotine intake by smoking more cigarettes to maintain the desired effects of nicotine. This phenomenon is called "compensatory smoking." Studies have shown that when smokers switch to lower-nicotine cigarettes, they tend to smoke more cigarettes per day, inhale more deeply, and take more puffs per cigarette to make up for the lower nicotine content. Therefore, the best choice is A.