The City Beautiful Movement Is Associated with Which of the Following

The City Beautiful movement is associated with which of the following activities?

A) Efforts to clean up the mud rivers created by spring rains in many cities
B) Attempts to clean up the tremendous air pollution that hung in the air of many cities
C) Attempts to build more and better urban park spaces,including playgrounds and gardens
D) Efforts by municipal commissioners to preserve green space in rapidly expanding industrial cities