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:
Explanation: being a team member is certainly a big task. The biggest factors pertaining to successful teamwork are building trust, physical proximity, optimal conditions, team member self-awareness, and a lack of purpose.
