Which of the following correctly describes the level of prosecutorial discretion in the United States?

Select one:

a.If a crime occurs, the prosecutor MUST file charges

b.If a crime occurs and there is probable cause to charge someone with one charge, the prosecutor must charge that person with all charges related to the crime

c.If a crime occurs, the prosecutor should charge only someone if there is probable cause; prosecutors are bound by ethical rules that oppose filing charges without probable cause

d.If a crime occurs, the prosecutor has free reign to file or not file charges against anyone they wish

Clear my choice