The word repercussion means an action or event give in return. An example of this in a sentence would be, “The repercussion of Jack bringing Christmas to his Halloween World was the twist and confusion it had on his people and the topsy turvey effect it put on the two Holidays.”
Since the 'inciting incident' is the one which starts all the problems in a literary work, the answer is B, 'establishment of the central conflict followed by the conflict increasing and a climax'.