Why these things happened was ____ the driver had been careless.

A．because of

B．owing to

C．due to

D．that

每一项工作，每一道工序，都应实施严格的职业健康安全和环境管理，把好每一道关是指（）管理。

A．全面

B．全过程

C．全方位

D．全员