EITHER (a) Can a person be morally responsible for something despite having been unable to do otherwise? OR (b) Could recognising the truth of determinism ever make it rational for us to attempt giving up taking the reactive stance?

EITHER (a) Can a person be morally responsible for something
despite having been unable to do otherwise?
OR (b) Could recognising the truth of determinism ever make it
rational for us to attempt giving up taking the reactive stance?