Professor Williams keeps telling his students that the future _____ to the well-educated. [ ]

A. belongs

B. is belonged

C. is belonging

D. will be belonged

多媒体课件的开发主要由两个紧密联系的阶段组成，即课件的设计与（）。

A.课件的目标的确立

B.课件的制作

C.课件的测试

D.需求分析