What is the best definition of parallel structure?

Ausing the same grammatical construction to express similar ideas
Busing complex phrases and clauses in writing
Cusing descriptive forms such as adjective-nouns and adverb-verbs
Dusing articles and conjunctions to connect ideas

Verified Answer :

Parallel structure is the use of the same grammatical structure in a text: the correct answer is A. It does not matter then whether this structure has articles, complex phrases or adverb-verbs, as long as the structure of two or more sentences is the same!

Answer:

The correct answer is A. using the same grammatical construction to express similar ideas