With Respect to Language Acquisition, in What Ways-If Any-Do Internationally

With respect to language acquisition, in what ways-if any-do internationally adopted preschoolers learning a new language differ from monolingual infants?

A) Internationally adopted preschoolers begin using nouns and function morphemes at the same time.
B) Internationally adopted preschoolers begin to speak telegraphically without the need to learn simple morphemes.
C) Internationally adopted preschoolers acquire vocabulary faster than monolingual infants.
D) The two groups do not differ on language acquisition.