Final answer:
Augustus teased Hazel because he thought her wish to go to Disney World and Epcot was childish given their serious medical conditions.
Step-by-step explanation:
In the context of the novel The Fault in Our Stars by John Green, Augustus teases Hazel about her choice of using her wish because he thought her wish was childish. The option that correctly answers the student's question is (c). Hazel's wish was to go to Disney World and Epcot, which Augustus perceived as a childlike choice considering their circumstances and the gravity of their medical conditions. His teasing is a way to lightly criticize her for not choosing something more profound or significant.