Choose the sentence that correctly resolves pronoun-antecedent agreement with a singular indefinite pronoun.

Answer and explanation

Correct answer: A. Each of the researchers presented his or her preliminary findings to the board.

  1. Step 1: 'Each' is grammatically singular and requires a singular possessive pronoun ('his or her') in formal academic writing.
  2. Step 2: The sentence 'Each of the researchers presented his or her preliminary findings to the board.' maintains strict grammatical agreement.
Answer
Each of the researchers presented his or her preliminary findings to the board.
Why not the others: The sentence with 'its preliminary findings' uses colloquial singular 'their'; the sentence beginning 'All of the researchers' uses singular pronoun with plural subject 'all'; the sentence beginning 'Every researcher' misuses adverb 'there'.

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