Which of the following commands will flush all print jobs on all configured queues of the system?

Which of the following commands will flush all print jobs on all configured queues of the system?

A.
lprm -a all

B.
lprm -all

C.
lprm -a *

D.
lpflush -all

Explanation:
lprm -a all command is used to flush all print job on all configured queues.