In the following passage, some of the words have been left out. Read the passage carefully and select the Answer for the given blank out of the four alternatives.

______________ reader can add to the list and to the possibilities of a new ethical and moral politics________ requires a Gandhian inventiveness of ritual and politics. What I wish to add is a____________. The rituals of apology and the question of justice, reconciliation and ethical repair are not easy. They require a rigour and an inventiveness__________ethical thinking which________________new experiments with the idea of truth and healing in India.
which______________ new experiments with the idea of truth and healing in India.