In Kravonia, the average salary for jobs requiring a college degree has always been higher than the average salary for jobs that do not require a degree. Current enrollments in Kravonia’s colleges indicate that over the next four years the percentage of the Kravonian workforce with college degrees will increase dramatically. Therefore, the average salary for all workers in Kravonia is likely to increase over the next four years.
Which of the following is an assumption on which the argument depends?
A. Kravonians with more than one college degree earn more, on average, than do Kravonians with only one college degree.
B. The percentage of Kravonians who attend college in order to earn higher salaries is higher now than it was several years ago.
C. The higher average salary for jobs requiring a college degree is not due largely to a scarcity among the Kravonian workforce of people with a college degree.
D. The average salary in Kravonia for jobs that do not require a college degree will not increase over the next four years.
E. Few members of the Kravonian workforce earned their degrees in other countries.
问题分析：A说有多个学历的比有一个学历的挣钱多一些，没提，干掉。
B说那些上大学为了挣钱的人的百分比比以前高了，文章也没有提到过这个比较，干掉。
C整体意思就是说工资和一个人是否有学历之间的关系，文章反复谈的就是工资多少和学历高低之间的关系，留着。
D说不需要学历的工作工资是否会增加，文章围绕的的是有学历的工资是否会增加谈的，这个选项范围不对，干掉。
E说in other countries，显然范围不对，干掉！
