challenge: What was the basis for the creation of the 217th Division in November 1949?
  
  A. The 7th and 8th Division, 4th Corps, 4th Army Group
  B. The 1st and 3rd Divisions, 1st Corps, 2nd Army Group
  C. The 4th and 5th Division, 2nd Corps, 1st Army Group
  D. The 2nd and 6th Division, 3rd Corps, 3rd Army Group
  Answer: 