The airplane had a good _____ of newspapers, magazines, television programs, food and drinks. The meal even included a serving of Hagen-Dazs ice cream.

A．offer

B．number

C．supply

D．amount

信息系统开发方法的指导思想、开发策略常常相同或相似于( )。

A．网络建设

B．软件工程

C．数据库设计

D．硬件工程