A police officer is on foot patrol in Tempe, Arizona, when he looks inside a garage (the garage door is open) and sees a statute that he knows is a rare art work that was stolen the night before from a building downtown. The officer: a. is not permitted to look inside the garage from the street even when the door is open. b. cannot enter the premises to recover the statute. c. cannot use the sighting as a basis for a warrant. d. can use the sighting as a basis for a warrant.