In Which of the Following Situations Would a Police Officer

Multiple Choice

In which of the following situations would a police officer not need a search warrant to conduct a search?

A) A police officer pulls a car over and discovers the driver is drunk.
B) A police officer pulls a car over for speeding.
C) A police officer pulls a car over and notices a bag of marijuana in the passenger seat.
D) A police officer pulls a car over believing a kidnapped child might be inside the automobile.