A. worst
you are comparing it to everything not just one thing so you cant use a, c, or d
Questioning,since it opens our mind to new possible new perspectives
A nonfiction book about the history of the Civil War
I can depending on what specific topic
Introductions in any form of writing greatly affect the readers interest about the writing and also it gives them ideas what is the content of the text. In an essay, sometimes the writer would ask question, explain thoughts or use catchy phrase in order to gain interest of the reader to read their essays