Which Statement Is False

Which statement is false?

A) Suburbanization was the migration of tens of millions of middle-class Americans-nearly all of them white-from the cities to the suburbs.
B) The people who moved to the suburbs were replaced in the cities by millions of poor people,the large majority of whom were black and Hispanic.
C) The inner cities today are socially isolated from the rest of the country.
D) None of these statements are false.