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.