Which of the Following Is True Regarding Plea Bargaining

Which of the following is true regarding plea bargaining?

A) Plea bargaining sometimes allows individuals to receive inadequate sentences.
B) Plea bargaining is primarily a tool for the defendant, not for the prosecution.
C) Plea bargaining is rare.
D) Plea bargaining promotes the adversarial process.
E) Plea bargaining increases costs to the system in terms of time and expense.