Which three conditions would prevent Storage I/O Control from being enabled on a group of datastores?

Which three conditions would prevent Storage I/O Control from being enabled on a group of datastores? (Choose three.)
A. The datastores planned for the solution are used by different vSphere clusters.
B. A datastore planned for the solution is configured as a Raw Device Mapping file.
C. A datastore planned for the solution has three extents.
D. A datastore planned for the solution is configured as NFS.
E. The organization has an Enterprise license.