There is such a problem _________ we all should _________.

A．as; pay attention to it

B．that; attract our attention

C．as; pay attention to

D．that; attract our attention to it

根据《安全生产许可证条例》的规定，管理人员和作业人员每年至少进行( )次安全生产教育培训并考核合格。

A．1
B．2
C．3
D．4