Miguel, an HR Executive at Oyster Studios, is moving from an operational role in the HR department to an administrative role. Which of the following best describes the change in Miguel's role?

a. Moving from processing legal paperwork to serving as a "champion" for employee concerns
b. Moving from serving as a "champion" for employee concerns to processing legal paperwork
c. Moving from serving as a "champion" for employee concerns to helping management define the strategy to manage human capital
d. Moving from processing legal paperwork to helping management define the strategy to manage human capital