As the federal capital of Australia, Canberra balances the power

As the federal capital of Australia, Canberra balances the power between two _____ centers of Sydney and Melbourne.
A、economic
B、political
C、education
D、population
【正确答案】：D
【题目解析】：It is situated in the Eastern Highlands roughly halfway between Sydney and Melbourne—a location chosen specifically to balance the power between those two great population centers.参见教材P294。