动态的地籍资料是指为维护档案的______、适应土地流转、土地市场活动的需要，及时地进行土地变更登记、更新所涉及的地籍资料。

A．完整性
B．严肃性
C．系统性
D．实用性

Many good suggestions were _______ at the meeting to cheer up teenagers to be more confident.

A．added to

B．figured out

C．got across

D．put forward