In the recruitment, the error about the insider recommendation method is ().

Advantages of insider recommendation: low cost; People recommended by internal employees are more likely to be hired and meet the requirements of organizational performance, and the turnover rate is relatively low. Because these external job seekers actually completed a self-selection process with the help of internal employees. Job seekers recommended by insiders also adapt quickly after entering the organization, and their work attitude is often good, and D mistakes meet the meaning of the question.