问题详情

The American dream in this passage mainly refers to____.
A．there are always possibilities offered to people to develop themselves in the society
B．Americans can always move up the pay ladder
C．American young people can have access to college, even they are poor
D．the labor force is not trapped in low-wage and dead-end jobs此题为多项选择题。请帮忙给出正确答案和分析，谢谢！