—What are you doing this afternoon?

—My computer is broken. I have to have it repaired this afternoon.

A．ask someone to repair it

B．repair it myself

C．fix it up

D．ask someone to sell it

管理信息系统的开发战略要求管理信息系统要有一个( )以指导它的各子系统的实现。

A．战略计划

B．总体的系统计划

C．长期计划

D．总体化的数据库