The easiest way to figure out it is to simply say it naturally (assuming you're a native speaker). A is the only answer that doesn't include unnatural pauses.
A. colon would best fit this
Answer:
If a state government is trying to decide whether to repair area bridges or make improvements to local schools, then economists and sociologists are most likely engaged in a "cost-benefit analysis".
Explanation:
Answer:
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Explanation:
What are the statement choices?
