Smokers Who Switch to Low-Tar or Low-Nicotine Cigarettes Will Probably

Smokers who switch to low-tar or low-nicotine cigarettes will probably NOT reduce the health risks of smoking because

A) they take smaller puffs and take longer to smoke each cigarette.
B) they do not inhale as deeply.
C) tar is not the risky ingredient in cigarettes.
D) they are likely to smoke more cigarettes to maintain blood nicotine levels.