six definitions, two of which are designed to make the thing defined look good, two of which are designed to make it look bad, and two which of which are neutral.

Iam pretty sure the answer is c

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.