Most large organizations have structured grievance procedures and complaint review processes that are designed to:. a. suppress pluralism.
b. facilitate and support diversity.
c. restrict diversity.
d. increase ethnocentrism.
e. increase the number of affinity groups.

b. facilitate and support diversity.

Explanation:

In the case when the large organizations have the grievance procedures i.e. structured and also have the process that review the complaints so it would be designed for facilitating and support the diversity

Therefore as per the given situation, the option b is correct

And, the rest of the options are wrong

answer; i believe that the correct answer is client agreement;