How does Buck change from the beginning to the middle of the text?

a. He goes from a life of luxury to being a dog that is treated very cruelly.

b. He goes from a cruel situation to a very comfortable life as a pet.

c. He goes from being a sickly animal to being a strong sled dog.

d. He goes from being a sled dog to being a wild animal in the woods.

a. He goes from a life of luxury to being a dog that is treated very cruelly.

Explanation:

When we look at the beginning of the novel, we can see that Buck is a very lucky dog. He is loved by his family, and enjoys luxury and status in the farm. However, as the story progresses, Buck begins to enter a much less enjoyable way of living. He is kidnapped and treated cruelly. He is also overworked as a sled dog. This transformation is terrible, but it also enables Buck to connect with his wild nature.

the answer is b