gmatprep 一题

There is  an  widespread belief in the USA and Western EUROP that young people have a smaller commitment to work and a career than their parents and grandparents and the the source of the change lies in the collage of the "work ethic"

A  have a smaller commitment to work and a career than their parents and grandparents

C less of a commitment to work and a career than their partents and grandparents

我选A 但 答案选 C  

题干不对吧，截个图放上来吧