【名词&注释】
防范措施、产品质量、劳动竞赛(labor emulation)、优质产品(quality goods)、质量责任制(responsibility system of quality)、合格品率(rate of qualified products)
[单选题]已知某零件加工的过程能力指数cp=1.67,cpk=1.00,该过程的合格品率(rate of qualified products)约为()
A. 99.99%
B. 99.73%
C. 99.86%
D. 0.27%