I would say C. “was”. It’s definitely not “am”, because that just sounds completely wrong. It’s not “are” because that sounds a bit wrong, too. It can’t be “were” because it’s only referring to one group, not many groups. The only answer it could be is C.
Answer:
The exceprt that represents the call-and-response format derived from jazz music is "The Synonym Fnider"
Explanation: