Which of the Following Is Not a Procedural Due Process

Which of the following is not a procedural due process issue?

A) that police must obtain a search warrant to enter and search a citizens home for drugs
B) the state of Massachusetts has raised the drinking age to 25 years old
C) the state of Oklahoma passes a statute prohibiting citizens from presenting evidence in drunk driving trials
D) the state of California passes a statute allowing relatives of victims of violent crimes to sit on the jury in the general trial court