Answer:
The correct answer would be four limbs.
Explanation:
The cladogram or branching tree displaying different characters shared by the different animals. This cladogram shares the character four limbs by all of the organisms in this from amphibians to up to cats.
Amphibians, reptiles, marsupials, dogs, and cats all have four limbs and this character is evolved at the beginning.
Thus, the correct answer would be four limbs.