Answer: D. The soup kitchen is extremely valuable for those struggling to get enough to eat.
Explanation:
The sentence that's a support detail for paragraph three is that "The soup kitchen is extremely valuable for those struggling to get enough to eat".
The main idea is paragraph 3 is that "service is valuable in ways that cannot be measured in dollars". The support detail gives more explanation to the main idea and backs it up.
D. Canceling community sports leagues is the best option for our town because it will save much-needed money while strengthening school athletic programs