Identify the underlined segment that contains a grammatical error:
'The visiting archaeologist [A: from] the university [B: have discovered] a [C: remarkably] preserved Nabataean inscription in the canyon, [D: which dates] back to the first century CE.'

Answer and explanation

Correct answer: C. have discovered

  1. Step 1: Identify the grammatical subject of the sentence: The singular collective noun 'The archaeological team'.
  2. Step 2: Analyze the finite verb: '[B: have discovered]' is a plural present perfect auxiliary verb.
  3. Step 3: Identify the error: The singular subject 'team' requires the singular auxiliary verb 'has discovered' in formal academic English.
Answer
have discovered.
Why not the others: 'from' correctly indicates origin; 'remarkably' is an adverb correctly modifying the participle adjective 'preserved'; 'which dates' is a correct relative clause with singular agreement.

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