J．Martin的自顶向下规划，用逐步求精分层进行，下列哪一层不属于它的求精层

A．主题数据库规划

B．实体分析

C．实体恬动分析

D．应用项目分析

I firmly believe, as long as I      great efforts, my dream will come true sooner or later.

A．spend

B．spare

C．share

D．make