Please please please help me also I accidentally picked C so don’t mind that

I think it is b

Explanation:

A: No because it doesn't kill the animal but it does harm it.

c. no because the animal is being harmed by the parasitism

d. because that animal is not being helped only the parasitism is.

And that leaves b as the only answer left! Although I am not sure if it is correct, pls correct me if i am wrong. Thank you!!

answer; a male inherits only one allele of the x-linked gene controlling hair color;