I have never read a story called "The Long Journey Through the Wilderness" but I am an avid Bible reader and I study it throughly. The Biblical answer to your question is D. Hope this helps and if you have any other Bible questions, feel free to ask me! :)
Answer:
A sounds like it fits the best
When Gregor died, he was transformed into a big insect. From then on, the story continues. Gregor had not realized that he was dead. They were so dependent on him. His passing had changed the way they looked at life. They were able to get jobs and the same time learned to use money wisely. They were able to save some of Gregor's saving and from their father's failed business.