The Police Arrive at the Residence of Two Roommates

The police arrive at the residence of two roommates.The police do not have a warrant,nor do they have probable cause.One roommate gives consent to enter and search,but the other roommate does not consent,and in fact,tells the police that they may not enter the residence.The police:

A) can enter the residence and search all areas where firearms and drugs may be stored.
B) can enter the residence and search only Joe's living quarters and common areas in which firearms and drugs may be stored.
C) can enter the residence and seize only items in plain view, but may not search.
D) cannot enter the residence to search.