The answer is inteligente. “Inteligente” is universal and never changed spelling. You do not add “-as” or “-os” to the ending. So the answer is the third one. Mark me as brainliest if i helped. Good luck in Spanish : D !
The correct answer is A. Ella es una companera de clase. This sentence literally means - She is a classmate. B is incorrect because it means - They are from California. C is incorrect because it means - His name is Mr. Martin. D is incorrect because that means - What's your name?