question: <image 1> is the HRM Roles, David Ulrich (1997) model. According to Ulrich, if HR is to become and remain relevant in the current business environment, what is not something HR professionals must learn?
  Options: A: Manage human resources operations and infrastructure, B: Become the link between human resources and organizational strategy, C: Optimize the value of employees, D: Be a change agent with a long-term vision for the organization