What Is One Reason for Giving Preferential Consideration to an Organization's

What is one reason for giving preferential consideration to an organization's own internal HR supply when filling job positions?

A) The employer can ensure job-person fit .
B) The employer possesses detailed knowledge of the employees' performance over time.
C) The employer can control the movement of employees within and out of the organiza-tion.
D) The employer can effectively screen out internal employees with poor performance records.