Choose the sentence that contains an error in parallel structure:

Answer and explanation

Correct answer: A. The scholarship applicant was praised for her academic dedication, leadership skills, and she works hard.

  1. Step 1: Analyze parallel coordinate series: Items in a series linked by coordinating conjunctions ('and') must share the identical grammatical category.
  2. Step 2: Examine sentence 1: 'academic dedication' (noun phrase), 'leadership skills' (noun phrase), 'and she works hard' (independent clause). The sudden shift to a clause destroys parallelism.
  3. Step 3: Confirm that sentence 2 corrects the defect using a third noun phrase ('industrious work ethic').
Answer
The scholarship applicant was praised for her academic dedication, leadership skills, and she works hard.
Why not the others: Sentence 2 uses three parallel noun phrases; sentence 3 uses three parallel bare verbs; sentence 4 uses three parallel gerundive/noun phrases.

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