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      Question

      In the following sentences, a part of the sentence is

      given in bold. Choose the best alternative that improves the sentence grammatically and contextually. If no improvement is required, choose option (D). The rapid advancement of artificial intelligence has enabled machines to perform complex cognitive tasks, raising concerns that whether such systems could eventually replace human judgment in critical domains.
      A raising concerns whether such systems could eventually replace Correct Answer Incorrect Answer
      B raising concerns that such systems could eventually replace Correct Answer Incorrect Answer
      C raising concerns about whether such systems could eventually replace Correct Answer Incorrect Answer
      D No improvement required Correct Answer Incorrect Answer

      Solution

      Error in original:  “concerns that whether” → double conjunction error Correct patterns: concerns that… concerns about whether… Now check options: A → missing preposition “about” → incomplete  B → removes “whether” → slightly changes meaning  C → correct: concerns about whether…  D → incorrect  Hence, C is correct.

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