Which Is True About the Language Development of Children Who

Which is true about the language development of children who hear two languages from infancy?

A) Learning two languages tends to slow overall language development.
B) Young children who learn two languages from birth generally show vocabulary growth in each language equal to language growth of a child who learns a single language.
C) Children learning two languages use the same strategies to acquire language as a single-language learner.
D) Their course of development in each language mirrors the course of monolingual children.
E) Children can readily acquire two languages even if they are first exposed to a second language after age 3.