Which of the following KVM monitor commands changes the image file in the first IDE CDROM drive of a virtual machine?

Which of the following KVM monitor commands changes the image file in the first IDE CDROM drive of a virtual machine?
A . change ide1-cd0 /tmp/linux.iso
B . update ide1-cd0 /tmp/linux.iso
C . set ide1-cd0=/tmp/linux.iso
D . eject –reconnect ide1-cd0 /tmp/linux.iso
E . disc file=/tmp/linux.iso,device=/dev/sr0

Answer: A