I would say C, A dog endures hardship but ends up going back to where he is meant to be.
Buck (the dog in ‘The Call of The Wild’) is taken from his master and mistreated but is finally released into the wild in the end.
C. A dog endures hardship but ends up going back to where he is meant to be.
This is the best explanation of the theme of The Call of the Wild. In these lines, we learn about the hardships that a dog has to endure when he is taken from his home. However, we also learn about the dog overcoming these and going back to where he is meant to be. This reminds us of how animals, even domesticated ones, were initially free, before men became involved and manipulated their evolution.