PLEASE HELP I'M DESPERATE AND AM BEING TIMED!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

At the Potsdam Conference in 1945, Germany and the city of Berlin were divided into four zones controlled by which countries?

A. Britain, France, Russia, and Austria
B. Britain, France, Spain, and the United States
C. Britain, France, Russia, and the United States
D. None of the Above