Which command will accomplish this task?

You are logged into a PE router participating in a Layer 3 VPN as defined in RFC 4364. You would like to ping the locally connected CE router’s interface. The address of the interface is 192.168.1.1; the VPN routing-instance is named VPN-A.Which command will accomplish this task?

A.
ping routing-instance VPN-A 192.168.1.1

B.
ping instance VPN-A 192.168.1.1

C.
ping vpn-instance VPN-A 192.168.1.1

D.
ping VPN-A 192.168.1.1