Which action can be successfully performed when multiple datacenters are configured in vCenter Server?

A.
Virtual Machines can exist on hosts in a DRS cluster that spans datacenters

B.
Virtual Machines in one datacenter can be cloned to another datacenter

C.
Virtual Machines in one datacenter can be VMotion migrated to another datacenter

D.
Virtual Machines can be failed over to another datacenter (using HA)