What Is a Difference Between a Pre-Plea Process and a Post-Plea

What is a difference between a pre-plea process and a post-plea process for specialty courts?

A) Charges are dropped for successful completion of a pre-plea diversion program, whereas guilty pleas are vacated for post-plea programs.
B) Post-plea processes are not eligible for diversion programs until they are convicted and serve 10% of their original sentence.
C) If the diversion program is not completed, defendants in pre-plea programs will go to trial, while defendants in post-plea programs will go to jail.
D) Pre-plea programs are only available for nonviolent offenders, whereas post-plea programs are eligible for some violent offenses.