14. In cats, black fur color is caused by an X-linked allele； the other allele at this locus causes orange color. The heterozygote is tortoiseshell. What kinds of offspring would you expect from the cross of an orange female and a black male? (A) tortoiseshell females； tortoiseshell males (B) tortoiseshell females； orange males (C) orange females； orange males (D) black females； orange males