21. Which of the following statements about memes is most likely TRUE according to the author? (A) A recent study shows that the Belarusian youth tend to share memes with older generation. (B) The coded nature of memes makes them the lingua franca of Internet communication. (C) As long as parents surf the Internet frequently enough, they can easily understand youngsters' "local" memes for in-group sharing. (D) Code-switching is essential for memes to be universally undersood. (E) Memes are a complex vernacular with limited universality