If the Police Search a Suspect's Home

If the police search a suspect's home

A) the police must first have obtained a warrant.
B) the police may submit illegally obtained evidence at trial if they can prove they would have obtained the evidence legally anyway.
C) the police must have demonstrated probable cause to a judge.
D) the police must first have obtained a warrant and the police must have demonstrated probable cause to a judge.
E) All of these choices are true.