What Does the Dualism Between City Dwellers and Those Living

What does the dualism between city dwellers and those living in rural areas refer to?

A) to the wealthy populations as compared to the extreme poverty found in many Global South states
B) to those living in urban areas becoming more similar in outlooks, values, and lifestyles with people in urban areas in other countries than they do with people living in the countryside within their own states
C) to the challenges both types of residents face in poor Global South countries
D) to the competing public policies that governments must pursue to meet the different needs of both types of residents