The automatic failover mechanism simply changes the ___…

If you have chosen Multi-AZ deployment, in the event of a planned or unplanned outage of your primary DB
Instance, Amazon RDS automatically switches to the standby replica. The automatic failover mechanism simply
changes the ______ record of the main DB Instance to point to the standby DB Instance.

A.
DNAME

B.
CNAME

C.
TXT

D.
MX