_____I phoned the police, then I made a list of what had been stolen, and then I made myself a cup of tea.

A．At first

B．First

C．In the first place

D．At the start

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