A: Could you give my eye to the poor girl?

Question

B: But then you wouldn't be able to see.

(What is the meaning of B? #1, #2 or #3?)

1. If I could give your eye to the poor girl, you wouldn't be able to see.

2. If I gave your eye to the poor girl, you wouldn't be able to see.

3. If I give your eye to the poor girl, you wouldn't be able to see.

Answer 1

B means you would have no vision.

All are correctly phrased.