第33题: [单项选择]The word "arbiters" ( line 6, paragraph 4 ) most probably refers to those ______. A. who work as coordinators B. who function as judges C. who supervise transactions D. who determine the price 参考答案:B 答案解析:[解析] 本题考查根据事实上下推测词义的能力。前文指出:in practice it often leaves railroads in the position of determining wh