It would be A.It provides necessary detain to create a strong argument.
The fact that it has a strong lead supports this.
Explanation:
Language Evolution is the application of evolutionary theory to the study through a language. Since the very beginning of the world, people used to talk with different languages
<span>A) We cannot walk alone.
I would also recommend that next time you put some spaces between the question and answers next time, it makes it very hard to read. </span>