Which of the Following Statements Does Not Reflect the Concept

Which of the following statements does not reflect the concept of factor suitability?

A) It is one of the three concepts that explain the Law of Increasing Cost.
B) If the economy is shifting from butter to gun production,the butter makers will give the gun makers their worst workers.
C) Too many farmers work one field,eventually it will lead to less production.
D) All farmland is not equally well-suited for producing corn.