JEG Is Opening a New Manufacturing Plant and Has Approached

JEG is opening a new manufacturing plant and has approached an employment agency to begin the recruitment process for shop floor workers.The HR manager objects to this,saying that the company should conduct its own recruitment.Which of the following is a disadvantage of using an employment agency to generate job candidates?

A) They generate responses from unqualified applicants who need to receive explanations about why they did not get the job.
B) Executive search firms are more efficient at generating candidates for lower-level jobs.
C) The services of employment agencies are not cost-effective for low-level and low-paying jobs.
D) They are less effective when the firm is looking for a different type of employee than it currently has.