The shaded individuals in the pedigree diagram below are color-blind. The only unknown is whether the father in the first generation is color-blind.

What is true about the father?

A. He could have two alleles for color blindness.

B. He could have two alleles for normal color vision.

C. He must be color-blind

D. He must have normal color vision.

Can some one plz answer correctly plz this the last one needa get close to 100