In the Human Resource Business Process, What Underlying Activity Does

In the human resource business process, what underlying activity does the labor acquisition event represent?

A) The act of a department supervisor requesting the personnel function to recruit a new employee to fill a job opening
B) The act of a personnel agent interviewing a job candidate
C) The act of employees rendering services to the enterprise
D) The act of a payroll clerk preparing paychecks based on timecard data
E) The act of withholding payroll taxes and other payroll deductions