Which command will accomplish this goal?

You are logged into a PE router participating in a Layer 3 VPN as defined in RFC 4364. You
would like to ping the remotely connected CE router’s loopback address. The address of the
loopback is 122.161.2.1, the VPN routing-instance is called VPN-C. Which command will
accomplish this goal?

A.
ping instance VPN-C 122.161.2.1

B.
ping routing-instance VPN-C 122.161.2.1