Miranda VArizona Was Important Because It Produced Rules That Must Be

Miranda v.Arizona was important because it produced rules that must be used:

A) state laws that make flag burning a crime are too lenient
B) to judge whether printed materials are pornographic or not
C) to determine if some element of the Bill of Rights should be applied to the states
D) to determine whether a warrant should be issued for a police search
E) by the police before questioning an arrested criminal suspect