It can be a normal final-round question. Senior interviewers sometimes test motivation, competing offers, location commitment, or whether the candidate is genuinely likely to join.

The question by itself is not a reliable signal that an offer is coming. Answer honestly and avoid making a stronger commitment than you can actually keep.

If you have constraints or another process underway, you can still express strong interest while being truthful about your decision timeline. If useful, this guide on final-round consulting interviews gives more detail.

sounds like a commitment check more than anything.