Why is the status of grete's and gregor's relationship important to the plot of the metamorphosis? a. grete is gregor's only friend in the house, and if gregor loses her , he is in real trouble. b. grete is the only person who can find a way for gregor to change back into human form. c. gregor promises to send grete to the conservatory, and if he dies, she won't be able to go. d. grete is gregor's sister, so she might also change into a bug. just took the quiz, the answer is a. : )