When KVM is launched with the parameter -boot order=n, which of the following devices will be searched for a bootable operating system?

A.
All floppy, CDROM, and hard disk drives in that order.

B.
No devices are searched and the user is prompted to choose the boot device.

C.
All network interfaces attached to the VM.

D.
All hard disks and no other devices.

E.
No devices are searched in order to support directly booting a Linux kernel.