一 How much do you know about the 3D film technology?

一 A little. Not until _____ the hot movie Avatar _____ some about it. [ ]

A. did I see; did I begin to learn

B. I saw; I began to learn

C. I saw; did I begin to learn

D. did I see; I began to learn

督察机构依照专门的( )监督。

A．检察程序
B．督察程序
C．调查程序
D．侦查程序