The diagram below shows four animal species at different stages of development. Which of the following statements is supported by the diagram?

A.There are similarities in the developmental stages of different species in the animal kingdom.
B. Diverse species in the animal kingdom possess more similarities during the late stages of development than during the earlier stages.
C. The developmental stages of different animal species are radically different and do not possess any similarities.
D,Mammals undergo more stages of development than other kinds of animals, such as amphibians, reptiles, and birds.