Approximatelt 750,000 teens become daily smokers each year, of which almost <span>250,000 will die from a smoking related disease.
Hope this helps!!</span>
A) For it does not require a life long commitment, and it is not C) because it can be any substance not just tobacco!
Thus your answer is A) gradually but completely withdrawing substances from use !
Have a happy life !
:D <span />
We need more background information to help.