What Is It Meant by a Geography of Centrality and Marginality

Multiple Choice

What is it meant by a geography of centrality and marginality in global cities?

A) Enormous affluence and acute poverty reside side by side with minimal interaction.
B) Central business districts reside in global cities.
C) There are central zones and zones that are deemed marginal.
D) Some global cities are central to the global economy,and others are marginal.