关于劳动卫生标准，错误的论述是（）

A.对职业有害因素的接触限值

B.超过与否是诊断职业病的依据

C.是衡量劳动卫生状况的尺度

D.实施卫生监督的依据

E.目的是保护劳动者健康

What do you think of the reason _______ he mentioned at the meeting _______ winning this competition?

A．why; why

B．that; of

C．which; why

D．\; for