In this scenario, what happens when issuing the ~metrocluster heal -phase root-aggregates~ command?

Before issuing a MetroCluster disaster-recovery switchback, you must execute the MetroCluster ~heal~ command on the data and root aggregates.

In this scenario, what happens when issuing the ~metrocluster heal -phase root-aggregates~ command?
A . The MetroCluster ~heal~ command is issued on only data aggregates.
B . The MetroCluster ~heal~ command resynchronizes all aggregates with mirrored plexes.
C . This command heals root aggregates by switching them back to the failed site and allowing the site to boot up.
D . This command heals root aggregates by resynchronizing the mirrored plexes.

Answer: C