Which of the following, if true casts the most serious doubt on the railexecutive's argument?

 

A) Once train service along a given route has been discontinued,there are substantialstart-up costs associated with restoring service along that route

B) Most of the new residents of Lamberton's suburbs do not need totravel into Lamberton regularly for shopping or recreation

C) If train service were restored this with increased hours of service therewould not be an increase in total ridership

D) A survey conducted last year showed that few people living in Lambertonor its suburbs support increased public funding for mass transportation

E) Recently there have been sharp increases in parking fees in Lambertonand in highway tolls on major commuter routes

对原文内容进行简化以后，发现文章想表达的一个核心思想就是：

恢复某路段的铁路服务会带来亏损。那么如果按照非黑即白的方式对这个结论进行进一步简化，就变成：别恢复路段。而作为削弱题目，我们的正确选项应该表达：该恢复路段。换句话说，只要选项里说恢复路段不好的，直接干掉就可以了。

然后看选项。

A说有substantialcostsassociated with restoring service along that route