please show work and answer, If a mouse population changes color from white to black over many generations, which question should be asked to determine whether the population changes are a result of natural selection or artificial selection?

A.
Was there a change in the environment where the mice live?

B.
Was there a change in the genetic traits of the mice?

C.
What do humans need to keep mice healthy as pets?

D.
Were the genes of the mice inherited from their parents?