5. The city’s public transportation system should be removed from the jurisdiction of the municipal government, which finds it politically impossible either to raise fares or to institute cost-saving reductions in service. If public transportation were handled by a private firm, profits would be vigorously pursued, thereby eliminating the necessity for covering operating costs with government funds.
The statements above best support the conclusion that
(A) the private firms that would handle public transportation would have experience in the transportation industry
(B) political considerations would not prevent private firms from ensuring that revenues cover operating costs
(C) private firms would receive government funding if it were needed to cover operating costs
(D) the public would approve the cost-cutting actions taken by the private firm（B）
(E) the municipal government would not be resigned to accumulating merely enough income to cover costs
选b,是不是因为提干中出现politicaly 和b中political considerations对应。
但是选项d为什么不对呢？
我的理解：这应该属于措施达目的类题型
政府是不会不支持 cost-cutting actions 的，因为他本身也很想institute cost-saving reductions in service，但是impossible.
然而，由于政府决定让私人公司来管理 public transportation 的最终目的是要profits would be vigorously pursued，所以当私人公司用 revenues来 cover operating costs时，政府就不一定同意了，所以b起加强作用。
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