将信息分为战略性信息、管理性信息、业务性信息是按建设工程项目的( )进行分类的。

A．信息稳定程度

B．信息层次

C．信息性质

D．信息来源

A．He was able to talk again.

B．He raced to the nursing home.

C．He could tell red and blue apart.

D．He could not recognize his wife.