在某台主机上无法访问域名为www.aaa.cn 的网站,而局域网中的其他主机可正常访问,在该主机上执行ping命令时有如下所示的信息: C:\>ping www.aaa.cn Pinging www.aaa.cn [202.114.10.56]with 32 bytes of data: Reply from 202.114.10.56:Destination net unreachable. Reply from 202.114.10.56:Destination net unreachable. Reply from 202.114.10.56:Destination net unreachable. Reply from 202.114.10.56:Destination net unreachable. Ping statistics for 202.114.10.56: Packets:Sent =4,Received =4,Lost 0(0% 1oss), Approximate round trip times in milli-seconds: Minimum =0ms,Maximum =Oms,Average =0ms 分析以上信息,可能造成该现象的原因是()。 A. 该主机IP地址配置错误 B.该主机网关配置错误 C.该主机的连接请求被拦截 D.该主机DNS服务器配置错误