Not until I began to work ________ how much time I had wasted.

A．didn’t I realize

B．did I realize

C．I didn’t realize

D．I realize

地籍按( )分为税收地籍、产权地籍和多用途地籍三种类型。

A．功能

B．表现形式

C．所记载的对象

D．建立的时序