问题详情

What is the position of the head of human resource management in an American firm？
A．He is one of the most important executives in the firm.
B．His post is likely to disappear when new technologies are introduced.
C．He is directly under the chief financial executive.
D．He has no authority in making important decisions in the firm.请帮忙给出正确答案和分析，谢谢！