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Problem 4 - Entrance Test

Despite increased funding for public schools over the last decade, student test scores have not significantly improved. This suggests that simply increasing funding is not sufficient to raise educational standards. Instead, efforts should focus on curriculum reform and teacher training, which have been shown to have a more direct impact on student achievement. Which of the following is the main conclusion of the argument?

Correct: B

The main conclusion is the central claim the argument seeks to establish. Option A is a premise, an observation used to support the conclusion. Option C is a recommendation that follows from the conclusion and supporting evidence, but it's not the primary evaluative claim. Option D is an overly broad and unsupported generalization. Option B directly states the core insight derived from the observation about funding and sets up the subsequent recommendations; it's the principal inference drawn by the arguer.