You’re is the correct answer, it stands for you are.
I believe the answer would be Option A. If not then option D. Both would be valid.
Answer:
Physical features shared due to evolutionary history (a common ancestor) are said to be homologous. To give one classic example, the forelimbs of whales, humans, birds, and dogs look pretty different on the outside. That's because they're adapted to function in different environments.
Explanation:
