In the 1949 Case Wolf V

In the 1949 case Wolf v. Colorado, the Supreme Court:

A) held that the exclusionary rule wasn't part of the Fourth Amendment right to be free from unreasonable searches and seizures.
B) applied the exclusionary rule to the states.
C) held that the Fourth Amendment did not apply to the states.
D) held that states could not decide on their own whether to exclude evidence obtained by a constitutional violation.