You should not look at the answers and thing about the passage. That is a good thing to do.
You could do the main idea strategy 1 you Make the topic known strategy 2 Accent at least two essential details. strategy 3 ink out the clarifying details. strategy 4 note what the essential details all say about the topic. strategy 5 infer the main idea.the main ides and supporting details. the main of an informational passage is what it is mainly about. the supporting details help to explain the main idea. elaborating the story