When it comes to English Abolition and women rights, the sentence " Well, children, where there is so much racket there must be something out of kilter", contains an idiom ''out of kilter'' which means out of balance or not properly adjusted, in a state of chaos. The synonym would be ''out of whack''. In this situation we can consider this sentence to be informal.
If you know what Dr. Jekyll and Mr. Hyde is about, then the answer is quite simple - the correct option is D. psychopathology.
Psychopathology is the study of mental disorders. Psycho means soul, pathos means suffering, and logos means study, so it is literally the study of why your soul suffers. Dr. Jekyll has a certain mental disorder which enables his evil counterpart/other personality, Mr. Hyde to come out, similarly to Bruce Banner and Hulk.
Tom always walked by their house every day on his way to work. And no, tom has never been inside the Ewell's fence before.
Answer:
Either of these changes can build tension and suspense.
The good of society outweighs the rights of the individual.