If the Market Demand for Illegal Drugs Consists of Addicts

If the market demand for illegal drugs consists of addicts and those who might experiment with the drug at the right price (casual users) , we know that

A) only the addict will get the drugs.
B) both the addict and the casual user are likely to get the drugs.
C) the seller will have to advertise to earn a profit.
D) the seller will want to have the drugs legalized.
E) the seller will ensure that everyone gets the same amounts of the drug.