Which of these provides evidence from developmental biology of a shared evolutionary history?

A.
Both snakes and dogs have pelvic bones even though they are vestigial structures in the snake.
B.
Both lobsters and frogs go through metamorphosis as a process in their life cycle.
C.
The skeletal structures of a leg of a horse and a flipper of a whale are very similar.
D.
The DNA sequences of the cytochrome c genes in chimpanzees and spider monkeys are over 90% identical.