How Did the Process of Haussmannization, Named for Georges-Eugène Haussmann

How did the process of Haussmannization, named for Georges-Eugène Haussmann, reshape the urban landscape of Paris?

A) Crowded mixed neighborhoods of winding medieval streets gave way to wide boulevards lined with spacious, showy dwellings, resulting in the segregation of rich and poor.
B) It rezoned the city so that rich and poor lived together, with equal access to new amenities like parks and the opera.
C) New public housing projects were created to house the working classes in the center of the city, while the wealthy moved out to the suburbs.
D) The poor and working classes were forced out of the city to make way for monumental palaces built to honor Napoleon III.