02年四级阅读有几个句子读不懂帮忙解释一下

02年四级阅读有几个句子读不懂帮忙解释一下
A friend of mine (a sales representative for a chemic al company) was making twice the salary of her college instructors her first yea r on the job-even before she completed her two year associate degree.
他的朋友是说他当辅导员的时候工资高还是他完成了大学之后工资高?
While it's true that we all need a career, it is equally true that our civilization has accumulated an incredible amount of knowledge in fields far removed from our own and that we are better for our understanding of these other contributions- be they scientific or artistic.
题目中又问道这句话的意思
答案说是the importance of a broad education should not be overlooked
我怎么觉得一点关系都没有?
所有选项是
A) business management should be included in educational programs
B) human wisdom has accumulated at an extraordinarily high speed
C) human intellectual development has reached new heights
D) the importance of a broad education should not be overlooked