回複：請問各位大俠, 律師的解釋對嗎? 謝謝！

Your attorney created the confusion by unnecessarily and unwisely inserting the alternative requirement of B + 3.
The minimum requirement for the position is B + 3 (EB-3).
You may qualify for EB-2 if the CIS overlooks the alternative education requirement or it takes a lot of good lawyering skill to argue for EB-2.
The CIS not the DOL is the final arbiter of interpreting a LC when adjudicating the I-140 petition.