Answer:
A; She is more helpful and her parents appreciate her help with Gregor
Step-by-step explanation:
In the story, Grete is the only one who decides to try to keep Gregor alive because she still sees her brother in him, while her parents are completely repulsed by him. Grete is the one to feed him and tidy up his room, and because Grete and Gregor's parents refuse to, they're impressed with their daughter.