Recruitment (Scenario) Karim's Company Was Expanding. After a Period of Downsizing, the Downsizing

Recruitment (Scenario)
Karim's company was expanding. After a period of downsizing, the company had decided to increase organizational profitability by gaining market share, which meant a need for more people. As assistant manager of human resources, he was in the process of evaluating what would be the most effective means of gaining new employees who were qualified, were cost efficient, and could help maintain the company's commitment to a diversified workforce.
-Karim should consider ________ as a source of potential candidates because it reaches large numbers of people and he could get immediate feedback. The problem with this source is that it may generate many unqualified candidates.

A) professional recruiting organizations
B) the internet
C) college recruiting
D) employee referrals