SAS Institute's Success in Attracting and Retaining Employees Can Be

SAS Institute's success in attracting and retaining employees can be attributed to all of the following reasons EXCEPT:

A) its early adoption of automated online recruiting
B) its attractiveness as one of the "100 Best Companies to Work For"
C) an HRIS system that make it easy to keep track of individual candidates
D) its use of "networkers" to help match current employees with projects
E) All of these are valid reasons