Put a comma after yes, and remove the comma after Colorado.
The answer would be A. cheating, because you always have to show your work, so the teachers know you understand it, and didn't just take it from some website or book without fully understanding it. Hope this helps, and good luck!
The plot is about how middle schoolers evolve. The setting of the school shows the everyday life of the main middle schooler going through the struggles of being a preteen and the preparation for high school. (If this doesn’t help google the plot of the story and think about the setting and the the relation.)