Final answer:
To attract candidates with desired experience, the recruiter should focus on modifying the job description.
Step-by-step explanation:
In order to attract candidates who have the desired experience for a mid-level manager position, the recruiter should focus on modifying the job description (C). This involves updating and refining the job requirements and responsibilities to accurately reflect the desired experience and skills. By doing so, the recruiter can attract candidates who possess the specific qualifications and experience needed for the position.