题目信息

State X recently decided to cut state funding for the public library system in County X. To help counteract this cut in funding, the county library system has increased library late fees from $.10 per day to $.12 per day. Since the fee increase, library administrators have seen no decline in the number of overdue books. The director of the county library system concludes that the fee hike has helped to counteract the cut in state funding.


Which of the following statements, if true, most strengthens the director's claim?

A:Since the fee increase, library administrators have noted a significant decrease in the number of books borrowed each day.
B:The library system incurred minor costs to make its visitors aware of the late fee increase.
C:Since the fee increase, there has been no significant change in the average number of days that books are overdue before they are returned.
D:The library system in County X tracks its books through a very advanced database system, allowing library administrators to have access to very accurate statistics on the number of overdue books at any given time.
E:Since the reduction in state funding, the library system in County X has eliminated 10% of its staff, creating a 2% reduction in costs.
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正确答案: C:Since the fee increase, there has been no significant change in the average number of days that books are overdue before they are returned.

Argument: State funding stopped > library increased late fee from 10 cents to 12 > people did not change their habits of returning books late > with the increase in late fee, library compensated for state funding


to strengthen this argument, we want answer choice which will tell us that even if the late fee was increased, the income due to late fee charging remained same or increased.


A - Less books borrowed less profit. Weakens the argument. 

B - Neutral to the argument

C - This tells us that people did not notice the change in late fee - right answer

D - out of scope

E - Neutral

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