challenge: What changes did Otto Erich Hartleben make to the poems of Pierrot lunaire in his 1892 German translation?
  
  A. He retained the rondel form, but attempted no rhymes, altered line lengths, and made other substantive changes
  B. He retained the original rhymes and line lengths, but changed the poetic form to free verse
  C. He kept the original text unchanged, only translating it from French to German
  D. He changed the poetic form to sonnets and added a consistent rhyme scheme
  Answer: 