Why are lions, jaguars, and leopards classified into a genus separate from house cats and cheetahs?
A. Lions, jaguars, and leopards can roar, while house cats and cheetahs cannot.
B. House cats and cheetahs can roar, while lions, jaguars, and leopards cannot.
C. Lions, jaguars, and leopards have retractable claws, while house cats and leopards do not.
D. House cats and cheetahs have retractable claws, while lions, jaguars, and leopards do not.