The correct answer is Paragraph form. First thing you need to know is that this is a Process Analysis Paragraph, since it explains the steps to pass the exit exam. Besides, this is the correct option because adresses the parts of the paragraph.
The topic form is: Passing the exit exam for high school (the topic you want to talk about) and the Sentence form includes: Requires study, high school credits, graduation requirement and senior year (the steps required to accomplish the topic sentence)