The Function of the Preliminary Hearing/grand Jury Is To

The function of the preliminary hearing/grand jury is to:

A) decide whether there is enough evidence to proceed.
B) for the prosecutor to prepare the formal charging document  and present it to the court.
C) bring the suspect before a judge.
D) for the judge to decide whether there is reasonable cause to believe that an offense was committed.
E) record that an arrest has been made.