A system administrator wants to perform some system maintenance. The AIX installation CD is in the CDROM drive， however the system will not boot from the CD. Which command will assist in determining if the CDROM drive is currently a bootable device？（）

• A、lscfg -l cd0 -v
• B、bootlist -m service -o
• C、bosboot -a -d /dev/cd0
• D、chdev -l cd0 -a boot=yes