Not until __________ on TV __________ that the Chinese ship was rescued by the European Union Task Force.

A．did I turn; did I know

B．did I turn; I knew

C．I turned; did I know

D．I turned; I had known

印刷包装材料应当设置专门的区域妥善存放，（）不得进入。切割式标签或其他散装印刷包装材料应当分别置于（）内储运，以防混淆。