In the book "Call of the Wild," what does Judge Miller do for a living?

A. Business.

B. Farms.

C. Practices law.

D. Practices medicine.

In the book "Call of the Wild," Judge Miller does business for a living. The reason for this kind of conclusion is that, since he is retired, so he is not into farms or law practice or medicinal practice. The correct option among all the options that are given in the question is the first option or option "A".