Please someone help me with this qustion:

Brown eye color is a dominant trait and blue eye color is a recessive trait.

What typically happens when someone inherits one allele for brown eyes and one for blue eyes?

A. The person has brown eyes, and brown eye color remains a dominant trait.
B. The person has blue eyes, but brown eye color remains a dominant trait.
C. The person has brown eyes, but blue eye color becomes a dominant trait.
D. The person has blue eyes, and blue eye color becomes a dominant trait.

please give a good explation for your anwser.