In Burgess' land-use model, the low-class residential area is located just beyond the factory/industrial ring because __________. A. farming and ranching happen in the outermost ring B. the city is the epicenter and an unchanging landscape is assumed C. this is where many of the low-class residents would work, and they need to be able to walk to work D. cars made living farther from the city more feasible Please select the best answer from the choices provided.