Answer:
Fallacy is the use of invalid or otherwise faulty reasoning, or "wrong moves" in the construction of an argument. Faulty reasoning occurs when the conclusion is not supported by the data.
"What to the slave is the Fourth of July?" is faulty reasoning because it's incorrect thinking, and not based on correct conclusions and isn't supported by data or facts.
B. it conveys the subject of the paragraph.
A topic sentence is the main idea which is the subject of the paragraph.
Answer is D, to inform audience about steps when preparing for road trip (apex)