Anna has been observing a great ape for the past year. she has noticed its capacity for language acquisition, which is similar to that observed in humans.

2-Year-Old is the correct answer.

According to Psychology researchers and chimp language critics, the vocabulary and sentences of apes resembles the vocabulary of 2-year-old children. Also, the capacity for language acquisition of these apes are very similar to the capacity of 2-year-old humans.

answer; c.wright mills;