同学你好，该知识点来自沪江网校《2020考研蜕变计划标准班【政英数+专业课1对1】》的课程，想要更系统的学习，欢迎进入课程学习。不仅可以和更多的同学一起学习，而且还有老师、助教随时的学习指导和知识点解答哦。

A选项解读：实现了民族的梦想(美国梦)。在文中，有相关的体现在于：awoken us from our national fever dream of easy riches and bigger houses，这与选项内容不符合，属于同形不同义
文章中“had improved them in some ways”；“they had become less materialistic and more financially prudent; they were more aware of the struggles of others。”；“At the very least, it has awoken us from our national fever dream of easy riches and bigger houses, and put a necessary end to an era of reckless personal spending”都是一种基于改变的思考，故选D