What could the administrator do to resolve the issue?

An administrator is setting up vMotion in a vSphere environment. A migration is run to test the configuration, but fails.

What could the administrator do to resolve the issue?

A.
Ensure the VMkernel port group is configured for Management Traffic.

B.
Enable VMkernel port group for the vSphere cluster.

C.
Ensure the vMotion enabled adaptors configured for the same subnet.

D.
Use a vDS instead of a standard switch.