By Plotting Juvenile Delinquency Rates on Maps, Shaw and McKay

By plotting juvenile delinquency rates on maps, Shaw and McKay were able to show that

A) certain areas of Chicago had large concentrations of juvenile delinquents.
B) crime and juvenile delinquency remained relatively constant across the zones of the city.
C) it is possible to prevent juvenile delinquency in most cities.
D) filtering delinquency rates outward is a good social strategy for containing them.