d. Latin implicare
Employ would be in the modern dictionary, which is why I chose d.
The answer is: adverb.
The phrasal verb bring forth consists of a verb an an adverb. It means to produce or generate.
A phrasal verb is the connection of a verb plus an adverb, preposition or both. Its meaning depends on the adverb or preposition that follows the verb. Furthermore, a single phrasal verb usually has more than one meaning.
