Shelby Was Recently Found Not Guilty of Strong Arm Robbery

Shelby was recently found not guilty of strong arm robbery when a jury trial ruled in her favor.Moments after the ruling came down,Shelby looked at the jury and said,"I did it and now I am free.Thank you." The jurors were shocked and wanted to change their verdict but could only stare as Shelby laughed on her way out of the courtroom.Shelby cannot be retried for the same crime in the same jurisdiction because of

A) incorporation.
B) fundamental fairness.
C) self-incrimination.
D) double jeopardy.