Chris responds to the information by turning on the father he had heretofore idolized. ... Chris is unwilling to acknowledge that his father could be guilty because he does not imagine that he, himself, could be so moral himself, if his father is not.
The word rupture would best replace the word, "breach," because it has a similar definition to it. Also, plugging in the other answer choices wouldn't make sense, since they would't fit into the sentence.