To work at home, which one could hardly imagine, has been made _____ with the development of computer technology.

A．possible

B．it possible

C．possibly

D．to be possible

以下有关原型化方法的论述中，（）是不正确的。

A．加强了开发过程中用户的参与和决策

B．提供了验证用户需求的环境

C．要完成大量的书面文档

D．简化了项目管理