What can be done to avoid virtual machine downtime on VMs running in this datastore?

A storage array containing a VMFS datastore must be taken offline for maintenance.
What can be done to avoid virtual machine downtime on VMs running in this datastore?

A.
Clone the virtual machines to a VMFS datastore on a different storage array.

B.
Use Site Recovery Manager to failover the virtual machines on the storage array to the
recovery site.

C.
Use vSphere HA to failover the virtual machines to ESX Servers attached to a different storage
array.

D.
Use Storage VMotion to migrate the virtual machines toa VMFS datastore on a differentstorage
array.