It is fair to ask siblings to step into the role of parents. If a parent isn’t doing their job right as a parent, asking an older sibling may be essential to help yourself grow to be a well functioning individual. It also doesn’t have to be an older sibling, younger siblings can be capable of helping they’re older siblings. It is most common for older siblings to help they’re younger siblings.
B is my best guess for this question
Answer:
it helped me to understand nature very well and how to treat the environment
Authors can exaggerate a time in history when doing fiction because it is fake, they also use vocabulary for the age gap they are writing for so the reader can best understand it based on their level of reading