Please help :D How is the adjudication hearing in the juvenile court system different from the trial in the adult criminal justice system?

A. Court proceedings are closed to the public in the juvenile system and open to the public in the adult system.

B. Punishment is determined by the jury in the juvenile system and a judge in the adult system.

C. Only the prosecutor can call witnesses in the juvenile system and both the prosecution and the defense can call witnesses in the adult system.

D. There is a commissioner in the juvenile system and a judge in the adult system.