Answer:
The correct answer is option B) homologous.
Explanation:
A homologous organ is an organ that appears in different animals, highlighting anatomical similarities demonstrating coming down from a common ancestor
The forearm of cat and human arm shares a similar bone structure but different functions. Such organs with similar basic structure but different function called homologous organs. Homologous traits must come from the same ancestor.
Thus, the correct option is option B.