How should you view live log messages using Console on your Mac?

How should you view live log messages using Console on your Mac?
A . Select Log Reports in the sidebar, click the log message, and choose View > Expand Selected Row.
B . Select system.log in the sidebar, click the log message, and choose View > Expand Selected Row.
C . Select Mac in the sidebar, then click info from the toolbar.
D . Select Mac in the sidebar, then click Start Streaming.

Answer: D