A Defense of the Punitive Policy Toward Drug Possession and Sale

A defense of the punitive policy toward drug possession and sale is that criminalizing drugs:

A) keeps the level of drug use and abuse lower than what it would be under legalization.
B) can wipe out drug use and abuse entirely.
C) forces dealers to sell safe, pure drugs because that is what users demand.
D) keeps the price of illicit drugs low.
E) none of the above.