Which choice completes the text so that it conforms to the conventions of Standard English?

Her success was due ______ hard work.

Answer and explanation

Correct answer: A. to

  1. Step 1: Identify the standard adjectival idiom: the predicate adjective due pairs with to.
  2. Step 2: The phrase due to correctly attributes causality to 'hard work.'
Answer
to.
Why not the others: Prepositions such as for, of, or at do not form standard idioms with due.

Practise more Standard English conventions.

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