You are trying to create a Clone of an existing database LUN: when you try to add a LUN as clone in the Clone Group, no LUNs are listed as Available in the add Clone window. Explain the cause. (Choose two.)

A.
There are no LUNs the same size as the Source LUN

B.
There are no LUNs larger than the Source LUN

C.
The LUNs are already Clones of another LUN

D.
The Clone LUNs are already in Storage Group