Although most of the fastest growing jobs in today's economy require a college degree, many of the new jobs being created, from home health aide to desktop publisher, need knowledge other than that gained from earning a degree. For workers in those jobs, good basic skills in reading, communication, and mathematics play an important role in getting a job and developing a career.
42. From the information given above, it can be validly concluded that, in today's economy:
A different way to check "validly concluded" questions is to ask: does the passage state this directly, or does it require adding new information the passage never gives?
Testing each option for whether it needs an outside assumption shows only the first option needs none.
Let's summarize:
So option A is correct.