一台路由器上loopback0的IP地址为10.1.1.1/32，在serial0/0/1上配置借用loopback0的IP地址的命令是（）.
- A[Quidway] ip addresss erial0/0/1 equal loopback0
- B[Quidway-serial0/0/1] ip addresss erial0/0/1 equa lloopback0
- C[Quidway] ip address unnumbered interfaceserial0/0/1 loopback0
- D[Quidway-serial0/0/1] ip address unnumbered interface loopback0