The wordarbiters(Line 6 Paragraph 4)most probab
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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
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答案：B
arbiter：仲裁者。第四段的最后一句“Do we really want railroads to be the arbiters of who wins and who loses in the marketplace?”表述的内容已在前一句已经出现，可得出答案为B0 D虽有“determine”一词，但意思表达不完整。