The Exclusionary Rule Was Developed for Which of the Following

The exclusionary rule was developed for which of the following reasons?

A) It was developed because the courts mistrusted the jury and recognized that the jury has limitations with respect to what it can hear without being improperly swayed.
B) It was developed to protect individual citizens from certain constitutional rights violations,and to deter unlawful police conduct.
C) It was developed because principles of trustworthiness,reliability,and necessity were threatened.
D) It was developed to regulate the flow of information presented in a courtroom to find the historical facts of a legal debate.