Which of the following best describes rehabilitation?

A. the first step of recovery, after which friends and family can begin to help the alcoholic overcome addiction

B. the phase of recovery in which the alcoholic undergoes withdrawal, ridding the body of all traces of the substance
C. the lifelong commitment to abstaining from alcohol and committing to a life of sobriety every day
D. the final cure of alcoholism, after which the alcoholic no longer experiences a desire to drink