Some animals use some ways to tell each where there is food

Some animals use some ways to tell each where there is food or something dangerous ang so on.( )
We have a large number of words that no animals have.They have the meaning of things,ideas or something else.( ).By writing words down we can remember things that have happened ,or send messages to people far away.( ).
NO one knows how man learnt to make words.Perhaps he began by making sounds like those made by animals.( ).As the centuries passed,man made more and more words.( )
A.We can tell eaaaach other what is in our mind or how we feel.
B.Maybe he made sounds like those he heard him.
C.Some other animals say things by making sound.
D.This si what we mean by "language".
E.No animal has such a kind of language.