单选题A system is being booted into maintenance mode due to root password recovery. After accessing the root volume group and starting a shell without mounting the file systems， what is the next step？（）ADelete root’s password from the /etc/security/passwd file.BUse the diag recovery tool option to reset root’s password.CExecute the ’passwd’ command and assign a new passwd to root UIdDMount the / and /usr filesystems on alternative mount points to edit the password file.
单选题
A system is being booted into maintenance mode due to root password recovery. After accessing the root volume group and starting a shell without mounting the file systems， what is the next step？（）
A
Delete root’s password from the /etc/security/passwd file.
B
Use the diag recovery tool option to reset root’s password.
C
Execute the ’passwd’ command and assign a new passwd to root UId
D
Mount the / and /usr filesystems on alternative mount points to edit the password file.
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