What impact does the following sentence have on the development of the authors claim? “Most of the guards found it difficult to believe that they had behaved in the brutalizing ways that they had.”

Ithink your answer is the last one

A. they give the reader hope. if the whole book was dark & unhopeful it’d be a little less interesting, little moments make it more interesting to read because then you want to know what happens. if it’s all dark there’s no point in reading if you already know the outcome of it.