How can the desktop administrator verify that the desktop is registered?

A desktop administrator creates a manual pool and determines that one of the unmanaged desktops does not appear in the list of machines that can be added.

How can the desktop administrator verify that the desktop is registered?

A.
Review the list of desktops in View Administrator.

B.
Review registration events in the events database.

C.
Review the Registered Desktop Sources page in View Administrator.

D.
Review the list of pools in View Administrator.