There is a widespread belief in the US and Western Europe that young people have a smaller 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. A: a smaller commitment to work and a career than their parents and grandparents B: less of a commitment to work and a career than their parents and grandparents C: a smaller commitment to work and a career than that of their parents and grandparents D: less of a commitment to work and a career than their parents and grandparents had E: a lessening of the commitment to work and a career that their parents and grandparents had 答案是D,想不通啊!比较结构中可以用had吗?大家帮忙看看! |