Answer:
Salve, hodie bonum diem habui! Quomodo fuit tuus?
Explanation:
that's how you say it
I would say the answer is number 3
Your answer will be C) Workplace cliques can cause horizontal disharmony (just like how cliques would form in say a high school!)
We can eliminate the others because A. Office friendships would actually lead to more socializing, B. Ethnic similarities are usually not a big factor in choosing to socialize or be friends with a person, and D) This is not impossible, just usually not encouraged