What must an administrator do to create two new volume groups on a system with only one spare disk?（）
- ARun the 'mkvg -M' command to create multiple volume groups on a single disk
- BAdd a new disk to the system or release a disk from the one of the existing volume groups
- CRun the 'mkvg' command to create multiple volume groups on a single disk providing the disk does not have a PVID
- DRun the 'mkvg' command to create multiple volume groups on a single disk providing the volume groups have the same PP size