Answer:
D. introduction paragraph
Step-by-step explanation:
The thesis should be presented in the introduction paragraph. This is extremely important, as the introduction paragraph is the section that the reader will first encounter. The thesis refers to the main idea of a text. It is the argument or claim that the author wants to prove in his text. The thesis should be mentioned at the beginning of the text in order to make sure that the reader understands what the text will talk about.