Did you read all the explanations? It tells you what you need to do. Or is it a certain part you don’t get? Maybe I can help but I need to know what it is that your struggling with. Also you need a book.
A.simply restate the thesis for emphasis
The answer would be sentence structure. This is because chronology is when you organize a piece of writing in the order of how things happen, order of importance is when you organize a piece of writing in order of importance. And comparison and contrast is when you organize your paper by comparing and contrasting atleast 2 different things.