Answer:
D) bilingual… fluent
Step-by-step explanation:
Writers who are BILINGUAL find being FLUENT in two languages a true advantage.
A bilingual person is a a person that knows how to speak two languages and can communicate effectively with those languages.
Bilingual speakers find out that the ability to speak two languages is a big advantage because they can communicate with more than one cultural group which makes their assimilation in such societies easy.