Which of the following example of polygenic inheritance?

A. A rabbit can have one of four fur coat colors because of the four alleles in a single gene.
B. Two alleles code for a mixture of black and white feathers in chicken
C. A plant has the allele for red flowers and the allele for white flowers produces pink flowers.
D. several genes with different alleles contribute to a range of eye colors in fruit flies

D. several genes with different alleles contribute to a range of eye colors in fruit flies