Rosa was promoted to a management position from her specialist role. During her previous role, she gained firsthand experience of the pros and cons of division of labor. Which action could Rosa take as a manager to overcome the biggest disadvantage of specialization for those reporting to her?

a. Implement teams to provide greater challenges for employees
b. Recognize and reward the contributions of her subordinates
c. Remove physical barriers between her subordinates
d. Promote well-performing specialists to managerial positions