9. Which of the following statements is correct? 
 A. The thesis statement belongs at the bottom of the pyramidal writing structure, 
 while topic sentences belong at the top.
 B. A topic sentence is typically placed at the end of the first paragraph.
 C. A topic sentence should state what you want to say about the overall topic.
 D. Supporting sentences should "prop up" a topic sentence, while topic sentences 
 should relate to the thesis statement.