Using this snippet of the sensitivity report for variable cells, which of these conclusions is best? ...

Using this snippet of the sensitivity report for variable cells, which of these conclusions is best?
 
  Final Reduced Objective Allowable Allowable
  Cell Name Value Cost Coefficient Increase Decrease
  B13 A 9 0 5 1E+30 1.25
  C13 B 0 -2 6 2 1E+30
  D13 C 0 -2 1 2 1E+30
 
  A) Item A can drop in value all the way down to 1.25 before it harms the result.
  B) Items B and C are the only elements in the final model.
  C) The final value of this problem is 9.
  D) Insisting that one additional unit of B, be included in the model will reduce the profit by 2.