All of the Following Are Specific Ways in Which Suburbanization

All of the following are specific ways in which suburbanization has catastrophically affected central cities EXCEPT

A) suburbs have incorporated to avoid paying taxes to central cities.
B) decreasing revenues from property, income and sales taxes make it difficult for central cities to provide public services.
C) declining population has eroded the political clout of inner city governments.
D) all of the above
E) none of the above