In which sentence does the adverb clause modify an adverb?

answer:

an adverb clause is a dependent clause that modifies a verb, adjective, or another adverb. it usually modifies the verb. adverb clauses are introduced by subordinate conjunctions including after, although, as, as if, before, because, if, since, so that, than, though, unless, until, when, where, and while.

explanation:

true

explanation:

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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