下列哪个全集可以用来正确的生成RAID5级别的设备md1()
A.mdadm--create/dev/md0--level=5--raid-devices=3/dev/sda2/dev/sdb2/dev/sdc2 B.mdadm--create/dev/md1--level=5--raid-devices=3/dev/sda2/dev/sdb2/dev/sdc2 C.mdadm--create/dev/md0--level=5--raid-devices=3/dev/sda2/dev/sdb2/dev/sdc2 D.mdadm--create/dev/md1--level=5--raid-devices=2/dev/sda2/dev/sdb2/dev/sdc2