Which of the Following Statements Is True

Which of the following statements is true?

A) Language is particular to each individual and no one truly understands the meaning behind another person's words.
B) All languages are actually the same - they have the same parts of speech and do not vary at all except in terms of sound (phonemes) .
C) Languages associated with small-scale societies are much more sophisticated than those associated with stratified societies because of a long tradition of oral history.
D) All languages are equally sophisticated and all humans speak with grammatical sophistication.
E) Languages associated with stratified societies tend to be more complex than those associated with small-scale societies.