Headhunters or executive search firms specialize in finding the right person for the right job. When a company wishes to recruit a new person for an important position， it may use the services of such a firm. The advantages for the employer are that it does not have to organize the costly and time-consuming process of advertising， selecting and interviewing suitable applicant. In some cases， the search firm may already have a list of people with the appropriate skills for the job. If this is not the case， then it may act as a consultant， advising or even organizing tests and simulations to evaluate candidates’ behavior in order to select the most competent person for the job.The passage mainly talks about the increased business of headhunters.

A. 正确
B. 错误