Answer:
A. their
Explanation:
Their is correct because it is "their" business group.
Some synonyms of the word superfluous include: nonessentional, unneeded, unused, etc.
So, in this question I believe the best definition of the world superfluous would be C. Unneeded.
Hope this helped!
Explanation:
Yes
It is. Also it's called a collective noun.
Is there a sentence?
Hello ~
It would be "C) A students against drunk driving poster."
hope this helps! ~