Hello!
Alcoholic Anonymous helps the people in need to cure alcoholism by encouraging alcoholics to commit themselves to sobriety by sharing their past experiences and future goals. AA meetings typically are women and men coming together for a session to share their feelings and experiences with each other, so they can be able to solve their problem of alcoholism. It's main purpose is to "stay sober and help other alcoholics achieve sobriety," according to the A.A. preamble.
Therefore, the answer is B.