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

—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

隐性黄疸时，血中胆红素浓度为（）。

A.<17μmol／L

B.>17μmol／L，<34μmol／L

C.>34μmol／L

D.>17μmol／L，<24μmol／L

E.>24μmol／L