How does buck change in the call of the wild once he begins a new life with john thornton?
a. he starts to rely more on his natural instincts.
b. he begins to think about life in the wilderness.
c. he becomes affectionate and fiercely loyal.
d. he becomes trusting of anyone who is kind.

The correct answer for this question is B: He begins to think about life in the wilderness.

Explanation:

Even though Buck has someone who could take of it, he starts to think about the way of living in the wild. This thought unveils the true nature of the dog, which can trace his roots to a wolf.

It's C: He becomes affectionate and fiercely loyal.

Explanation:

Since John Thornton saved his life he becomes more close to him and loyal to him then never before. Also i have taken the test and can assure you this is the answer.