Which of the following spatial patterns is best explained by bid-rent theory?


A. Concentric rings of different agricultural activities surrounding a city in the midwestern United States


B. Rural-to-urban migration increasing the population density to eastern China



C. Linear settlements located along a major road in a densely forested area of Brazil


D. Dispersed settlement throughout a large mountainous area of Switzerland



E. The conversion of agricultural land to suburbs surrounding a city in the southeastern United States