Quiz: a container from the inside

Read the output

What will the last command show 15 seconds after the start?

$ sudo docker run -d --name job --restart on-failure alpine sh -c 'echo up; sleep 3; exit 0'
$ sleep 15; sudo docker inspect -f '{{.State.Status}} {{.RestartCount}}' job

• A restarting 1
• B exited 0
• C running 0
• D running 4