I believe its organization too, purpose and details depend on the genre he/she chooses which is different every time. The organization of the story stays the same beginning, middle, end. Author has to organize it always, so that the reader understands.
The correct answer is D. We were going to the monster truck races, but Drake got backstage passes to the festival instead.
"closed his eyes and gulped." "His stomach was full of butterflies, and his palms were wet." and "as he shakily stepped onto the ride." all show Owen being nervous.