下列可设置为主机IP地址的是 A. 210.29.140.0 B.210.29.140.1 C.210.29.140.255 D.210.29.140.256 发表评论 下列可设置为主机IP地址的是 A. 210.29.140.0 B.210.29.140.1 C.210.29.140.255 D.210.29.140.256 答案:B