In some birds, black plumage gene is dominant over white plumage gene. One black bird was mated with white feathered bird. It resulted in all chicks with blue plumage. Selfing among these blue birds would result in

A

1 black: 1 white : 2 blue

B

9 blue: 3 black : 3 white

C

1 blue: 1 black : 1 white

D

3 blue and 1 white