．—The sales clerk in that company was        but helpful.

—I couldn’t agree more. The last time I were there he treated me like dirt.

A．something

B．everything

C．nothing

D．anything

若你使用 ORACLE 系统开发一个数据库应用系统，在进行用户界面设计时，应选用的工具是______。

A．ORACLE Developer/2000

B．ORACLE Designer/2000

C．ORACLE PL/SQL

D．ORACLE RDBMS