一道逻辑，怎么都觉得A对，但答案是D，麻烦NN们帮忙看看，3X！

vevewen

TS4-Q19:

laceName w:st="on">ArocalaceName> laceType w:st="on">CitylaceType> currently funds its public
schools through taxes on property. In place of this

system, the city plans to introduce a sales tax of three percent on all
retail sales in the city.

Critics protest that three percent of current retail sales falls short
of the amount

raised for schools by property taxes. The critics are
correct on this point. Nevertheless,

implementing the plan will probably not reduce the money going to Aroca’s
schools.

Several large retailers have selected laceName w:st="on">ArocalaceName> laceType w:st="on">CitylaceType>
as the site for huge new stores, and these

are certain to draw large numbers of shoppers from neighboring
municipalities, where

sales are taxed at rates of six percent and more. In consequence, retail
sales in Aroca

City are bound to increase substantially.

In the argument given, the two potions in boldface play which of
the following roles?

A. The first is an objection that has been raised against a certain plan;
the second is a prediction that, if accurate, undermines the force of that
objection.

B. The first is a criticism, endorsed by the argument, of a funding plan;
the second is a point the argument makes in favor of adopting an alternative
plan.

C. The first is a criticism, endorsed by the argument, of a funding plan;
the second is the main reason cited by the argument for its endorsement of the
criticism.

D. The first is a claim that the argument seeks to refute; the second is
the main point used by the argument to show that the claim is false.

E. The first is a claim that the argument accepts with certain
reservations; the second presents that claim in a rewarding that is not subject
to those reservations

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