Final answer:
To create a more negative tone in sentence 3, one would use shorter, more abrupt sentences with repetition, as demonstrated in option c: "And some things I don't want to remember. Sad things. Scary things."
Step-by-step explanation:
To make the tone of sentence 3 more negative, we could use sentence c: "And some things I don't want to remember. Sad things. Scary things." To create a more negative tone in sentence 3, one would use shorter, more abrupt sentences with repetition, as demonstrated in option c: "And some things I don't want to remember. Sad things. Scary things."
This revision uses repetition and short, abrupt sentences to emphasize the negative emotions associated with recalling those memories. The truncated structure adds a staccato rhythm to the narrative, which typically indicates a more intense, perhaps harsher tone, conveying the gravity of the events that are too painful or frightening to remember.