How much time before Frankenstin feels well again

Could someone me with this question?

Jason is making a list of sources for his current events report about the presidential election. he writes: magazine, newspaper, news website, book. which choice could provide the most current information? a) book b) magazine c) newspaper d) news website

Read the passage, then use the explanation to infer the meaning of the word predominant. the novel was so popular that it was eventually added to a list of books that every ninth grader had to read. it became the predominant work of literature. what is the most likely definition of the word predominant?