第16题: [单项选择]The word "arbiters" ( Line 5, 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:[试题分析] 本题考查根据上下文推测词义的能力。
[详细解答] 前文指出“in practice it often leaves railroads in the position of deter