New AIX systems arrive without a CDROM drive. All systems do not have the system hardware configuration. Which of the following options is the most appropriate way to install AIX on the systems?（）
- AInstall CDROM drives or tape drives on the systems because that is the only way to install AIX.
- BInstall one system. Take a mksysb from the first system and resotre the mksysb to the remaining systems.
- CInstall one system. Mirror rootvg onto a disk from each of the remaining systems.
- DSetup and NIM master and resources.