Answer:
Letter D is correct
Explanation:
The difference between quality circles and continuous improvement lies in employee empowerment. The quality circle is a tool that proposes problem solving and quality control of organizational processes based on the plan, do, check, act that can be performed by all employees of a given organizational sector. Continuous improvement is already a quality tool based on the need for new learning and improvement in organizational processes, so it should be done by professionals able to study the best option to improve and complement the quality circle.