According to Sociologists Who Use __________,Cities Tend to Develop in Response

According to sociologists who use __________,cities tend to develop in response to advantageous features of the environment-for example,on the shores of rivers,on fertile plains,and at the intersections of trading routes.

A) the collective-consumption theory of urban development
B) gentrification analysis
C) the created-environment approach to urban analysis
D) the ecological approach to urban analysis