Grizzly Bears,whales,mice,and Humans Are Very Different Genotypically and Phenotypically

Grizzly bears,whales,mice,and humans are very different genotypically and phenotypically.However,they do share some genotypic and phenotypic traits because they

A) independently evolved the similar traits, even though they are not related to each other.
B) evolved from species that radiated from a common ancestral species millions of years ago.
C) occupy the same ecological niche where similar traits are selected.
D) are not reproductively isolated from each other.