Officers knock on a door of an apartment being rented by a male suspect. a female opens the door and the officers ask her if the suspect is home. she says "not right now," but the officers don't believe her and want permission to enter and look for themselves. they have no warrant or other justification. what should the officer's do first? a. ask her if she lives there. b. ask her if she will consent to their search. c. ask her when he will return, since she can't give permission. d. ask her to step out of the apartment, since there might be trouble.