A Neighborhood Used to Be Restricted to Those Who Came

A neighborhood used to be restricted to those who came from families of old wealth and made their money before the Revolution.Today,new faces are moving in and changing the feel of the area.Even the country club has started to admit members from a wider range of backgrounds as long as they have money for dues.This is known as

A) social breakdown.
B) class flattening.
C) status float.
D) social class fragmentation.
E) class float.