Really good question. I feel E is best answer even though D was the contender but felt instead it strengthens the conclusion. I am no expert but here is my reasoning:
Conclusion: The economic burden on the state to fund such an ambitious undertaking will be overwhelming in both the short-term and long-term
Possible Assumption: Preschool because of its use of public funds will be a an economic burden without offsetting costs in any way.
We need to weaken this assumption i.e. find an answer that will justify preschool use of public funds offsetting the program costs in some way.
A)Students who attend preschool are more likely to complete high school than students who do not attend preschool. -- It doesn't really affect the program cost and public funds part and therefore doesn't affect the conclusion.
B) Preschool educated children fare much better in kindergarten than do children without preschool. --- Same as A
C)Part of the high cost of universal preschool stems from its requirement that preschool teachers must have a bachelor's degree and a teaching credential. -- Only part of the high cost explained but doesn't really weaken the conclusion in any way. Out
D)The taxes necessary to fund universal preschool can come from a variety of sources, including property taxes and bond measures. --This was a contender but we have no way of finding out whether sources, such as property taxes and bond measures, could also use public funds in some way. In other words, we will have to make some assumptions and therefore we will have to discard this option. Moreover, if the other sources make use of public funds , use of these other sources strengthens our conclusion slightly.
E)Students who attend preschool are less likely to require special education, an expensive public service.---
Correct This one says that students not attending preschool will require special education,
an expensive public service. Thus we see that the preschool indeed offsets the program cost indirectly by not requiring students to have special education and consequently preschool
will not be an economic burden in short-term and long-term.
Please post the OA and OE.