Which of the Following Statements Is True Regarding the Following

Which of the following statements is true regarding the following output of xl list:     Name          ID   Mem VCPUs      State   Time(s)     Domain-0       0   384     1     r-----    498.7       Debian         2   305     1     --p---    783.5       Slack          6    64     1     -b----    313.6       CentOS         7   512     2     r-----    455.1

A) It is necessary to use the xl 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 xl commands to start running.
E) Slack is idle or waiting for I/O.