In Guinea Pigs, B = Black, B = Brown, S

In guinea pigs, B = black, b = brown, S = short hair, s = long hair. A black, short-haired animal who is homozygous for both traits, reproduces with a brown, long-haired animal. What is the expected phenotypic ratio of the offspring?

A) 1 black short hair, 1 black long hair, 1 brown short hair, 1 brown long hair
B) 3 black short hair, 1 brown long hair, 3 black long hair, 1 brown short hair
C) 9 black short hair, 3 black long hair, 3 brown long hair, 1 brown short hair
D) 100% black short hair
E) 1 black short hair, 1 brown short hair