______, you need to give all you have and try your best.[ ]

A. Being a winner

B. To be a winner

C. Be a winner

D. Having been a winner

下列组合正确的是（）

A.质量管理-qualitycontrol

B.质量管理-qualitymanagement

C.质量管理-qualityassurance

D.质量管理-qualitycircle

E.质量管理-totalqualitymanagement