Which two statements are true about Compare Period ADDM?

Which two statements are true about Compare Period ADDM?(Choose two.)

A.
It is automatically invoked whenever the AWR Compare Period report is invoked.

B.
It is automatically invoked whenever ADDM is run by default.

C.
It verifies if there is any change in the workload or average resource consumption by the
SQL executed during the two specified time periods, to ensure 100% accuracy.

D.
It can be used to create a comparison report between the Database Replay workload
capture report and the replay report.