Answer:

Explanation:
Sorry If it is wrong......
The Critical Period Hypothesis (CPH) states that the first few years of life constitute the time during which language develops readily and after which (sometime between age 5 and puberty<span>) language acquisition is much more difficult and ultimately less successful.</span>
Please just flop over? It helps me out!
Grooming can be the way you take care of yourself and carry yourself so I think the answer would be either B or D