— What do you mean by saying every minute counts?

— I just mean that every minute must be made full use of ______ for the final examination. [ ]

A. prepare        

B. prepared      

C. preparing    

D. to prepare

全党真正认识到马列主义应用到中国实践中去的重要性，是在（）以后

A.党的六大

B.遵义会议

C.延安整风

D.党的七大