Michelle Is Driving at Night When a Policeman Pulls Her

Michelle is driving at night when a policeman pulls her over for a blown taillight.When he approaches the car,he shines his flashlight into the car and sees a bag of white powder on the back seat.The officer orders Michelle out of the car and then reaches in to seize the bag.A quick examination leads him to believe that the bag contains cocaine.He arrests Michelle and takes her to the station.Was the officer's search legal?

A) The officer conducted an illegal search because he did not obtain a warrant.
B) The officer conducted an illegal search because he may look into the car but may not use mechanical devices to aid his search without a warrant, so the use of the flashlight made the search illegal.
C) The officer conducted a legal search of areas which were openly visible because he may look into the car and may use simple mechanical devices, such as a flashlight, to aid his search without a warrant.
D) The officer conducted a legal search because he found drugs and the ends justify the means.