Which of the Following Describes Conditions That the Court Found

Which of the following describes conditions that the Court found to form a substantial basis in evaluating an informant tip in Illinois v. Gates?

A) The police officer must demonstrate that he or she had good reason to believe that the informant's information was accurate, and the informant's information was consistent with law enforcement's knowledge of the alleged criminal activity.
B) The police officer must indicate how the informant obtained knowledge of the criminal activity, and the officer is able to corroborate a significant number of the details.
C) The informant's information was consistent with law enforcement's knowledge of the alleged criminal activity, and the officer is able to corroborate a significant number of the details.
D) The police officer must demonstrate that he or she had good reason to believe that the informant's information was accurate, and the police officer must indicate how the informant obtained knowledge of the criminal activity.