When Grant refuses to buy a used radio but insists on a new one from the department store, which of the following themes is conveyed?

A. The customer isn't always right; sometimes, one has to deal with ill treatment and give in.

B. Fighting for what is right is always necessary, even in seemingly small/insignificant ways.

C. Sacrificing ones integrity to others in minor ways is okay if you know who you truly are.

D. Racism only exists physically; racism does not exist mentally or socially.