Mock Juries Benefit the Trial Lawyers When the Actual Trial

Mock juries benefit the trial lawyers when the actual trial and jury selection takes place because:

A) profiles developed through the mock jury studies guide the choices for the real case.
B) mock juries provide little data on actual jury selection.
C) the real case has no bearing on the use of a mock jury in any circumstances.
D) they provide a respite for lawyers and take on some of their duties during the trial.