How can data be shared between several virtual machines running on the same Linux-based host system?

How can data be shared between several virtual machines running on the same Linux-based host system?
A . By writing data to the file system since all virtual machines on the same host system use the same file system.
B . By mounting other virtual machines’ file systems from /dev/virt-disks/remote/.
C . By setting up a ramdisk in one virtual machine and mounting it using its UUID in the other VMs.
D . By using a network file system or file transfer protocol.
E . By attaching the same virtual hard disk to all virtual machines and activating EXT4 sharing extensions
on it.

Answer: D