The small tax on plastic grocery bags in Ireland is mentioned to show that A．Ireland is determined to eliminate plastic pollution. B．incentive policies by the government are more effective. C．incentives can harness egoism and inspire altruism. D．monetary punishments usually have moral implications.
A.Ireland B. B．incentive C. C．incentives D. D．monetary E.
【参考答案】
C 推理判断题。根据plasticgrocerybags或Ireland定位到第五段。该段提到，政策不仅通过遏制......