The new results were ____ with earlier findings, which strengthened the researchers' confidence.

Answer and explanation

Correct answer: A. consistent

  1. Step 1: Results that agree with earlier findings and increase confidence must match them. Step 2. 'Consistent with' means in agreement with; it takes the preposition 'with'. Answer: consistent. Why not the others: 'constant' means unchanging over time; 'insistent' means demanding; 'resistant' means opposed; none takes 'with' to mean agreement.

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