Final answer:
The summary of "The Winning Flower Arrangement" should include sentences C, E, and F, which address the key elements of the story's premise, characters' perspectives, and the outcome of the contest.
Step-by-step explanation:
To summarize "The Winning Flower Arrangement," the sentences that should be included are:
- C) Rebecca was sure she would win the flower arranging contest with her fancy vase and expensive flowers.
- E) Rebecca looked down on Emilio's entry thinking the vase was ugly and the flowers looked like weeds.
- F) Emilio accepted his first-prize ribbon while Rebecca jealously looked on.
These sentences collectively establish the central theme of assumption and the resulting surprise, as well as the emotional responses of the characters experienced in the narrative.