Answer:
B. It would not shift the curve; it would be represented by moving from a point inside the curve toward the curve.
Explanation:
Here the falling in unemployment represents that there is a movement with respect to the resources that are fully employed.
In this the unemployment means that it could be occured inner side of the PPF but if there is an increase, so the point of the production would be moved inner of the PPF to the PPF
Therefore the option B is correct