Pessimism might be ascribed to it because of the message it conveys. It predicts a day when our civilization has degraded to the point where numbers of people eat worms and the skill to weave wool is viewed as a sign of development. While on the other side, one may claim that it is optimistic, as the protagonist is looking ahead.
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'.
