I would have to say parentheses, since its not restricted.
Friends are important because they will always be there especially best friends. Not everyone needs to have friends. Some people prefer to be more independent and that's okay too. If you so find friends just be sure to surround yourself with the right people and then they are awesome to have!
The answer should be C, semantics means the meaning of a word, phrase, sentence or text. connotation is what vibe the word gives off, decoration is the primary meaning of a word, and etymology is the origin of words