Which of the following could explain why the administrator is unable to save the completed profile?

An administrator would like to set up Host Profiles in a vSphere architecture. Using the vSphere Client, the administrator connects to vCenter Server and navigates to Management, then begins to build a new Host Profile. Which of the following could explain why the administrator is unable to save the completed profile?

A.
The administrator does not have the proper vSphere edition so this feature is not licensed

B.
The Host Profiles service is stopped and must be restarted to access this option

C.
No ESX Hosts have been added to vCenter Server, and this option will not be available until at least one host is managed

D.
No DRS/HA Cluster has been defined, and Host Profiles must be applied to a cluster.