Here's a problem to solve: A mouse is homozygous for black fur (BB). The other parent is heterozygous for black fur with a recessive trait for brown fur ( Bb ). If black is the dominant trait, what percentage of the offspring will be brown?

Among the 4 following options, which is the correct answer?

- A: 100%
 
- B: 50%
 
- C: 25%
 
- D: 0%
 