Which statement based on these two outputs that were collected 24 hours apart is true?

Refer to the exhibit.

Which statement based on these two outputs that were collected 24 hours apart is true?

A.
The Site 2 OTV edge device has gone down.

B.
The MAC address cannot be discovered on two separate port channel interfaces.

C.
The MAC address that ends in 020a moved to the local site 23 hours ago.

D.
The Overlay1 IP address should be a multicast IP address.