单选题During reboot， the system hangs with an LED 0554 message that means， "The boot device could not be opened or a read failed." Which of the following recovery procedures should be taken （）ABoot in maintenance mode and use fsck to check hd5.BBoot in maintenance mode， access the rootvg and check the /etc/inittab for corruption.CBoot in maintenance mode， access the rootvg and rebuild the boot image using the bosboot command.DBoot in maintenance mode， and reset the root password.
单选题
During reboot， the system hangs with an LED 0554 message that means， "The boot device could not be opened or a read failed." Which of the following recovery procedures should be taken （）
A
Boot in maintenance mode and use fsck to check hd5.
B
Boot in maintenance mode， access the rootvg and check the /etc/inittab for corruption.
C
Boot in maintenance mode， access the rootvg and rebuild the boot image using the bosboot command.
D
Boot in maintenance mode， and reset the root password.
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