What is the issue here?

While working with a VxRail cluster, an administrator changes a storage policy from RAID-5 to RAID-1 (FTT=1). After making the change, the VMs with the storage policy are still RAID-5.

What is the issue here?
A . VMs cannot be changed from RAID-5 to RAID-1 (FTT=1)
B . Reapply was not selected after changing the policy
C . vCenter needs to be refreshed
D . The cluster cannot support RAID-1 (FTT=1) and the policy must be reverted to RAID-5

Answer: B