THE CORRECT ANSWER IS WHO'S / WHOSE.DEFINITIONS

13. The correct answer is Who's / whose.Definitions: -who's - contraction of who is-whose - the possessive form of who or whichExplanation: The subject of this sentence is who. If we answered the question with a complete sentence, we could say, "Bob is an actor, and his wife is deaf." Bob would be the subject of that sentence, and he possesses a deaf wife. Therefore, the correct sentence is, "Who's the actor whose wife is deaf?"