Her success and what she is best known for are the main topics of the paragraph. So, Answer A would be your best bet. It covers all of those points.
An agent went rogue once an enemey killed his fam.
In a nonfiction work, the text that features alphabetically lists key terms and their definitions is <em>Glossary</em>. A glossary is an alphabetically ordered list of words, that are technical or difficult to understand with their definition. It is used in nonfiction works and it refers to a specific subject or text. It is like a small dictionary.