Language acquisition takes place most rapidly during a child’s years. (fill in the blank)

Language acquisition takes place most rapidly during a child’s 1-2 years.

By six months, babies are able to differentiate between different sounds and their rhythm. They start babbling which is the first sign that they are learning the language.

In between 1 to 2 years (12 - 24 months), A child is able to attach meanings to words. He is able to respond to his parent's . He recognises the difference between nouns and verbs. He tries to mimic words as much as possible. He knows the right order of words in a sentence and he tries to speak words instead of using his gestures. By the end of 2nd year the child begins speaking in complete sentences.

you didn't give any options but heres what i can tell you: an inference is likely to change based on additional observations. the latter is something that you have seen or sensed using your sensory organs while the former is like a conclusion out from what you have observed.