GRE Logical Reading: ETS-GRE逻辑单题ETS - 4A1BSMIDZG44P0TBK$

From a newspaper editorial: Many people who are addicted to heroin will eventually attempt to overcome their addiction, principally for two reasons:the expense of maintaining a heroin addiction and the fear of arrest. If heroin were legalized and made available cheaply, as some people advocate, neither of these reasons would apply.