challenge: What is the structure of the cantata 'Du Hirte Israel, höre, BWV 104' composed by Bach?
  
  A. 6 movements, scored for soloists and a small instrumental ensemble
  B. 5 movements, scored for soloists and a small instrumental ensemble
  C. 8 movements, scored for soloists, choir, and a large instrumental ensemble
  D. 7 movements, scored for soloists, choir, and a large instrumental ensemble
  Answer: 