AP English Language

Option B is correct.

If the cost of implementing UBI on a large - scale would require significant tax increases that could slow down economic growth, it challenges the idea that UBI will lead to a more just and efficient society.
A just and efficient society is often associated with a healthy and growing economy.
If the implementation of UBI has the potential to harm economic growth, it undermines the overall positive impact that the writer claims UBI will have.

Analysis of incorrect options:

Option A: A small percentage of recipients reducing their work hours slightly doesn't necessarily mean that UBI won't lea...