The allele for brown eyes is dominant to the allele for blue eyes.?

Eye color is on an autosomal chromosome. How could a brown-eyed man and a brown-eyed woman have a blue-eyed child? (a.) They could both be heterzygous. (b.) They could both be zygous. (c.) The man could be zygous and the woman heterozygous. (d.) The woman would be zygous and the man would be heterozygous. (e.) The cannot have a blue-eyed child.