Which of the Following Statements Is TRUE

Which of the following statements is TRUE?

A) It is illegal for an employer to continue to hire new employees at the same time it is laying off other employees.
B) When long-service employees leave the firm, the turnover is often functional because they no longer act as a brake on the introduction of new technology and new work processes.
C) The turnover of poor performers is considered functional, so HR managers find that turnover of minor concern.
D) Involuntary turnover is turnover that the organization has no control over.