What clusters of competencies are necessary for success in human resource management?

A) hiring, compensation, event planning, and training
B) technical, interpersonal, business, and leadership
C) technical, hiring, motivation, and compensation
D) business, development, leadership, and interpersonal
E) technical, business, training, and hiring

Human resource management requires a variety of competencies, including technical knowledge of HR laws and practices, interpersonal skills for effective communication and conflict resolution, business acumen for understanding organizational strategy and goals, and leadership abilities for guiding and motivating employees. Option A includes some relevant competencies, but event planning is not a core HR skill. Option C emphasizes hiring and compensation over other important competencies. Option D includes development, which may be a valuable skill, but is not specifically related to HR management. Option E includes technical and business competencies, but omits interpersonal and leadership skills.