While the main idea is usually in the first sentence, the next most common placement is in the last sentence of a paragraph. The author gives supporting information first and then makes the point in the last sentence. Here's a paragraph we can use as an example. Try to locate the topic and the main idea.
Answer:
I really like to watch horror movies/dramas or whateva. I think horror movies are quite interesting and I also have a personal interest in horror movies. I think they are a full package of fun, thrill, entertainment, mystery, and everything!
'Horror movies don't create fear, they release it'
Answer:
A. Scams and Swindles
Explanation:
Scams and Swindles should be in quotes because answer b only states the name of one out of two chapters. Both chapters would have to be in the same format, so this rules out answer B.
Star Trek
Dr. McCoy
Bones
All three above are proper nouns, formal names, and they are all capitalized.