24．The first time I met David in the Central Park, both of us felt that we_____each other for ages.

A．knew

B．have known

C．had known

D．Know

关于爱立信MGW指令的描述正确的是（）

A.vii可以查看单板面板灯的状态

B.secmode用来设置节点的安全接入级别

C.capi显示单板的CPU负荷情况

D.llog可查看单板的进程运行情况及告警信息