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

在利润表中，对主营业务要求详细列示其收入、成本、费用，对其他业务只要求简略列示其利润，这一作法体现了（）。

A.真实性原则

B.明晰性原则

C.重要性原则

D.配比原则