询问与确认物品归属 — 英语选择题

课间，Jack捡到一块手表。Kate说：“No, it isn’t mine. It’s Nina’s.” Nina走过来后，Jack该怎样向Nina询问并确认手表的归属？ A. Is this watch yours? Yes, it’s mine. B. Is this watch yours? No, it isn’t mine. C. Is this watch Kate’s? Yes, it’s mine. D. Is this watch mine? Yes, it’s yours.