A configuration file for a Xen virtual machine was created in the directory /etc/xen with filename slack.cfg.
What is the command to start the virtual machine defined in this configuration file including displaying its console on screen?

A.
xm start slack

B.
xm create slack.cfg showconsole

C.
xm create slack.cfg

D.
xm start slack.cfg c

E.
xm create slack.cfg c