Which of the following commands lists the snapshots existing in the disk image vm1.img?
A. qemu-info snapshots vm1.img
B. qemu-img snapshot -l vm1.img
C. qemu -hda snapshot -l vm1.img -noboot -list snapshots
D. qemu-snapshots -l vm1.img
E. qemu-monitor -snapshots -hda vm1.img