What is the best definition of parallel structure?
a. using the same grammatical construction to express similar ideas
b. using complex phrases and clauses in writing
c. using descriptive forms such as adjective-nouns and adverb-verbs
d. using articles and conjunctions to connect ideas

a-he encouraged islamic schools to introduce greek texts.

d-he invited greek scholars to teach their texts to the locals.

explanation:

the transmission of the greek classics to latin western europe during the middle ages was a key factor in the development of intellectual life in western europe.[1] interest in greek texts and their availability was scarce in the latin west during the earlier middle ages, but as traffic to the east increased so did western scholarship.

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