What must an administrator do to create two new volume groups on a system with only one spare disk?（）

A.Run the 'mkvg -M' command to create multiple volume groups on a single disk

B.Add a new disk to the system or release a disk from the one of the existing volume groups

C.Run the 'mkvg' command to create multiple volume groups on a single disk providing the disk does not have a PVID

D.Run the 'mkvg' command to create multiple volume groups on a single disk providing the volume groups have the same PP size