It seems like a and c are the same answer. however the answer is “players”, because they are not possessing anything. this is the correct answer, because the sentence is just looking for the plural form of “player”
I would say yes.
This is because of the name itself -- a "group" project. It's not a "solo" or an "alone" project. You are responsible for the other people's work in your group. It is important to make sure everyone contributes their own work in a group project, and not someone else's.
Best of luck
State their claim and try to convince the reader
Answer: B
Explanation: It's the only one that helps justify the way that the money is still being made.