From his ________ voice on the phone I know everything is going under way.

A．satisfactory

B．satisfying

C．satisfied

D．satisfaction

“三重一大”制度是指（），必须经集体讨论做出决定。

A、大额资金使用

B、重要干部任免

C、重大问题决策

D、重大项目投资决策