In the Context of the Preliminary Hearing, Which of the Following

In the context of the preliminary hearing, which of the following statements is true of discovery?

A) It allows the defense to see the evidence against the defendant prior to making a plea.
B) It allows the trial attorneys to ascertain whether prospective jurors are fit to serve on the jury.
C) It determines whether the evidence presented is sufficient to provide probable cause that a crime has occurred.
D) It determines whether an indictment should be issued.