Drug abusers can choose from a variety of treatments to overcome their illness. One kind of treatment is often necessary for serious forms of addiction, and it's required before entering most long-term drug-abuse recovery programs is detoxification. Therefore the answer is B).
I would think all of the above but honestly, they would first have to WANT to stop themselves and not be pushed by other people like on Intervention where you see that they go back to drugs or alcohol, it's because they were pushed and didn't do it when they were ready, sometimes, that time comes too late or not at all.
