According to the phylogenetic tree, which shared trait is least likely?
a. red pandas and raccoons have similar skull patterns that are not shared by the giant panda, spectacled bear, and sloth bear
b. red pandas, giant pandas, and raccoons have similar tooth patterns that are not shared by the spectacled bear and sloth bear
c. giant pandas, spectacled bears, and sloth bears have similar facial bones that are not shared by the red panda and raccoon
d. red pandas, giant pandas, raccoons, spectacled bears, and sloth bears have forearms consisting of a radius and an ulna.
