Answer:
C) She restates her thesis, or main idea, at various places in the selection.
Explanation:
The text unit occurs when the author has the ability to make all the paragraphs and statements written in his text fit around the same theme. Even though each paragraph has a central idea, everyone is working in unity and representing the same subject, which is addressed in the text as a whole.
In this case, we can say that the author guarantees unity in her writing, by reaffirming her central idea at various points in her work.
