For many in both the working class and the middle class， what has served as the heart and soul of the American Dream？
For many in both the working class and the middle class， what has served as the heart and soul of the American Dream？
A.the prospect of " betterment"
B.upward mobility
C.a good education for one’s children
D.a set of ideals
正确答案：upward mobility
Tag：大学英语
时间：2023-12-22 15:08:18