57. Based on the information in this passage, which of the following statements would most likely be considered true? (A) Stems, prefixes and suffixes are part of syntactic systems of a language. (B) A language is considered as a structured system consisting of linearly-produced elements for the encoding of meaning. (C) In terms of linguistic levels, phonemic systems are on a higher level than morphemic systems. (D) After the 1950s, categories of Latin grammar were no longer used for analyzing language elements.