The question wants to analyze your reading and text comprehension skills. For that reason, I'll show you how to answer it.
<h3>What are key ideas?</h3>
These are the main ideas of a text.
These are the ideas that point to the themes of the text.
To identify the key ideas of a text, you must do reading first and identify what are the subjects covered in the text and how these subjects are presented to the reader.
