单选题 Please compose the following sentences into one paragraph.① For example, the words "stingy" and "frugal" both mean "careful with money."② Similarly, a person wants to be slender but not skinny, and aggressive but not pushy.③ Synonyms, words that have the same basic meaning, do not always have the same emotional meaning.④ Therefore, you should be careful in choosing words because many so-called synonyms are not really synonymous at all.⑤ However, to call a person stingy is an insult, while the word frugal has a much more positive connotation.My paragraph is _____.( )