It's believed that ______ you work, ______ result you'll get. [ ]

A. the harder; the better

B. the hardest; the best

C. the greater; the worse

D. the more; the more

老服务项目中心投标签约，按第一年实际服务收入的（）奖励给开发人员

A、0.4%

B、0.6%

C、0.8%

D、1.1%