You have a deployment of System Center 2012 R2 Virtual Machine Manager (VMM).
The deployment contains three Hyper-V hosts named Server1, Server2, and Server3.
All of the servers connect to a LUN named LUN1.
You need to disconnect Server1 from LUN1 without affecting the other Hyper-V hosts.
You write the following Windows PowerShell script:

Which command should you insert at line 03?

A.
Unregister-SCSTORAGElogicalUnit -STORAGE1ogicalUnit $VAR2 -VMHost $VAR1

B.
Unregister-StorageSubSystem -ProviderName $VAR2, $VAR1

C.
Set-SCSTORAGE1ogicalUnit -STORAGE1ogicalUnit $VAR2 -VMHost SVAR1

D.
Remove-SCSTORAGE1ogicalUnit -STORAGE1ogicalUnit $VAR1 -VMHost$VAR2