Question
Each sentence below has a blank. Choose the most
appropriate word from the options that best fits the context of the sentence. The sentences are independent, complex, and require careful contextual understanding. While the hypothesis initially gained widespread acceptance, subsequent empirical evidence began to ______ its validity, prompting researchers to reconsider their conclusions.Solution
The sentence shows a shift from acceptance to doubt due to new evidence. Therefore, the word must indicate weakening of validity. “Undermine” fits perfectly as it means to weaken or damage. “Reinforce,” “validate,” “establish,” and “justify” all suggest strengthening or supporting, which contradicts the context.
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