The correct answer is D. 5,000 and 6,000
Explanation:
The word language refers to the systems of communication used by human beings and that includes written symbols such as words, sounds, and even non-verbal symbols. Besides this, language plays an important role in human society, not only because this allows people to communicate but because is linked to elements of the culture such as myths, beliefs, literature, among others. Additionally, considering language emerge and evolve in particular contexts or groups of people there are thousands of language spoken around the world and many more were once spoken but have disappeared, indeed it is estimated the number of languages on Earth is between 5,000 and 6,000, but a defined number has not been estimated considering some language have few speakers and are considered as dialects and not as languages. Thus, ti can be concluded today, there are between 5,000 and 6,000 languages spoken on Earth.