What is the best description of benchmarking in a support center?

A.
Benchmarking is a comparative study of the support center’s performance against comparable
organizations.

B.
Benchmarking is a marketing tool that increases the support center’s visibility to its customers.

C.
Benchmarking is allowing your support staff to determine the method it will use to provide service.

D.
Benchmarking is determining whether the knowledge base is complete and filling in any gaps.