A win-win agreement presupposes that it is possible for you and your client to come to agreement in which both of you are left better off than you would’ve been without a deal. In my experience there is always a path that leads to a win-win negotiation. You might believe deeply that both you and your client can win. But it doesn’t mean that your client is seeking a win-win agreement. They maybe seeking a win-lose agreement. They may believe in order for them to win you necessarily have to lose.
This answer is C.They compare the relative amounts of each kind of food to be eaten daily