On the secondary vPC switch, under which circumstance does the vPC autorecovery
feature not bring up the vPC member ports?

A.
Peer link fails, and subsequently, the primary switch fails.

B.
Both vPC peers are reloaded, and the primary does not come back up.

C.
Peer link fails, and subsequently, the peer-keepalive link fails.

D.
Peer link is up, and the peer-keepalive link fails.