During an AIX installation, which of the following actions will occur once the Complete Overwrite option is selected?（）

All new disks in the system will be formatted
B. Only the contents of the root volume group destination disks will be destroyed
C. All file systems, including /(root), /tmp, /usr, and /var, but no usr data in the root volume group, will be destroyed
D. The contents of all disks on the system, even if they are not shown as the destination root volume group disks, will be destroyed