The sentence that correctly uses the word "principal" is the second sentence. The word "principal" refers to the person who has the highest authority in an institution, particularly as referred here, which is a school. On the rest of the sentences, the right word to be used is "principle" and not principal.
Distorted logic shows that people in Ireland in Swift's time would act illogically in order to find solutions to their daily problems. The author criticizes the projects that have been taken to fix the poor's problems. Swift writes about the ills of his period in a satirical way. Working through the answers, we find this satire in the last option. A also contains satire, however in part D, Swift applies distorted logic that his opinion cannot be debated. Therefore, the correct answer is D.
Then everything would be much more simpler
It would be the last one, as Ology is used in many "studies."
ex. Biology, Dermatology, Technology, Angelology.
Answer:
1. If the bus will be crowded, she'll have to walk to the office.
2. If he gets up early he will get good health.
3. If she is weak, she will not go out very often.
4. If the sun was in the right direction, the photographs would come out very well.
5. If he watches film by night, he falls asleep by day.
6. If he would be too lazy, as he failed in the examination.
7. If he drives carelessly, he will have a serious accident.
8. If my car breaks down, I will miss the meeting.
9. If he doesn't study hard, he will fail the final exam.
10. If Susan eats too much, she will be overweight.