The considerations above can best serve as part of an argument that A. legalizing the sale of heroin would cause the price of this drug to go down B. making it easier for heroin addicts to obtain treatment for their addiction would encourage many heroin addicts to attempt to overcome their addiction C. legalizing the sale of heroin would increase the number of crimes committed by heroin addicts to support their addiction D. making heroin available legally and cheaply would make it less likely that heroin addicts will attempt to overcome their addiction E. decreasing the severity of penalties for individuals who use heroin would not increase the number of new heroin addicts