Which statement is correct about using the TAKEOVER HADR command?

A.
The TAKEOVER HADR command can only be issued on the standby database and
the primary database is not connected to the standby database when the command is issued.

B.
The TAKEOVER HADR command can only be issued on the primary database and
the primary database is connected to the standby database when the command
is issued.

C.
The TAKEOVER HADR command can only be issued to switch the roles of the
primary and standby databases if the databases are in peer state.

D.
The TAKEOVER HADR command can only be issued to switch the roles of the
primary and standby databases if the standby database is in local catchup
state.