Answer:
D. efficiency
Step-by-step explanation:
An operations manager is the professional responsible for managing, controlling and coordinating an organization's production.
So a sign of high value that attests that the operations manager is standing out is efficiency, which is the manager's ability to perform his competencies using resources correctly, at the lowest price and time, in the highest quality, avoiding waste, monitoring and controlling work and always seeking to manage organizational production in order to correct errors, encourage successes and promote continuous improvement in processes.