考博考试

【单选题】 What does the passage mainly discuss
A．The development of trade mutes through United States cities
B．Contrasts in settlement patterns in United States
C．Historical differences among three large United States cities
D．The importance of geographical situation in the growth of United States cities

网考网参考答案：D
网考网解析：
很显然，文章主要讲述的是地理位置对美国城市发展的重要性。 查看试题解析出处>>