一 How much do you know about the 3D film
题型：选择题
问题：
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
2.
3. 