[单选题]uMAC SGSN NEC双机 显示镜像磁盘资源的状态的命令是()。
The command to display the mirror disk resource state in uMAC SGSN NEC dual-computer is ( ). A.clpmdstat –detail mirrordisk_alias B.clpmdstat --mirror mirrordisk_alias C.clpmdstat –list D.clpmdstat --connect mirrordisk_alias