How Did Los Angeles Epitomize the New Emphasis on the Car

How did Los Angeles epitomize the new emphasis on the car in 1950s America?

A) Filmmakers in Hollywood released hundreds of movies in the new "road picture" genre, featuring sleek cars racing down Los Angeles highways.
B) The city's centralized design enabled people to carpool to suburban transit centers and then take public transportation.
C) People drove to and from work on a web of highways and shopped at malls only accessible by driving.
D) Bucking the western trend, Los Angeles actually maintained its extensive system of trains, trolleys, and buses well into the 1970s.