From 2005 to 2009, over 80% of graduates from Zenith University were able to secure employment within their first six weeks of graduation. Prospective engineering students should therefore choose Zenith University, if they want to be employed within six weeks of graduating.

Which of the following, if true, would most strengthen the argument?

A:The economy has been doing well, though analysts forecast that there will be a recession that could last for as long as five years.

B:Since 2005, the number of jobs for engineers has not significantly decreased.

C:Many Zenith University students who were not able to secure employment within six weeks often found jobs soon after.

D:Compared to all other degrees conferred by Zenith University, engineering degrees were the most likely to result in employment within six weeks.

E:Some who earned a humanities degree were not employed six months after graduating from Zenith University.