Apple gives suppliers a very low profit margin, which makes supp

Apple gives suppliers a very low profit margin, which makes suppliers lack 【incentive】 and resources to improve workerswelfare and factory environment.
A、strategy
B、contributor
C、fund
D、motivator
【正确答案】：D
【题目解析】：句意：苹果公司给供货商的利润率很低，这使供货商缺乏提高员工福利和改善工厂环境的动机与 资源。incentive意为“动机”。选项中strategy意为“战略”；contributor意为“贡献者”；fund意为“基金”； motivator意为“动力”。故选D。