题目选项分析

There is a widespread belief in the United States and Western Europe that young people have less of a commitment to work and a career than their parents and grandparents and that the source of the change lies in the collapse of the "work ethic."

There is a widespread belief in the United States and Western Europe that young people have less of a commitment to work and a career than their parents and grandparents had and that the source of the change lies in the collapse of the "work ethic."