Multiple choice general knowledge Whose is this? It's Tom's. It's my. No, it isn't. None Reveal answer Fill a bubble to check yourself A Correct answer Explanation The question asks about possession ('Whose is this?'). 'It's Tom's' correctly uses the possessive form. 'It's my' is grammatically incorrect - should be 'It's mine.' 'No, it isn't' doesn't answer the question.