An administrator user group named Restricted Users is created in a View environment to manage a specific folder. After a few weeks, the users in that group complain that they no longer have access to View Administrator. Further investigation indicates that the group no longer exists. Logs show that the group was not removed by any View administrators.

What would cause the group to disappear?

A.
The group was removed in Active Directory.

B.
The group was set with an expiration date which was exceeded.

C.
The only permission for the Restricted Users group was removed.

D.
The permission was set with an expiration date which was exceeded.