Which one of the following statements is true about the above output?

The xm list command has returned:

Name ID Mem VCPUs State Time(s)
Domain00 384 1 r 498.7 Debian 2 305 1 p 783.5
Slack 664 1 b 313.6
Centos 7 512 2 r 455.1

Which one of the following statements is true about the above output?

A.
It is necessary to use the xm command to change Slack’s state to running.

B.
Centos is the domain which has consumed the most CPU time.

C.
The domain with ID 2 uses paravirtualization.

D.
Both Debian and Slack require xm commands to start running.

E.
Slack is idle or waiting for I/O.