I think that would be because Bruno's father is Kotler's boss. Bruno also sees his sister Gretel fawning over Kotler: this disgusts Bruno.
A is the correct answer because you don't want all the supporting details, why would you put it into someone else's words, and the reader of your summary won't understand it if you put it into incomplete thoughts.
Speaking and Writing persuasively, that should be the correct answer.
Answer:
Devised by 19th century German playwright Gustav Freytag, Freytag's Pyramid is a paradigm of dramatic structure outlining the seven key steps in successful storytelling: exposition, inciting incident, rising action, climax, falling action, resolution, and denouement.