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

A．it possible

B．possible

C．possibly

D．to be possible

在建立企业信息系统中，【 】是最高层的系统开发人员．他在企业领导人和研制组的支持下，负责对企业现状进行调查分析，组织提出新的企业信息系统模型。