Which statement about BEFORE triggers is FALSE?

A.
A BEFORE trigger’s action is executed for each row in the set of affected rows before the
trigger event executes.

B.
A BEFORE trigger’s action is executed for each row in the set of affected rows instead of
executing the trigger event.

C.
A BEFORE trigger is used to perform validation of input data and to automatically
generate values for newly inserted rows.

D.
A BEFORE trigger cannot be used to modify data in a database because they are
activated before the trigger event is applied to the database.