Martin Luther declared which of the following?

Martin Luther declared which of the following?
 
  a. Josquin is sinfully abusive of the art of music, while other composers write with true artistry and beauty..
  b. Josquin is the master of the notes, which must do as he wishes, while other composers must follow what the notes dictate..
  c. Josquin is well behind the times in his compositions and has no idea of how to master the notes as other composers do..
  d. No composer is worthy of writing music for worship, and the church should go back to the traditional Gregorian chant in Latin..