Whom does me belong to?

Whom does me belong to? Does not belong to me? does this belong to me 怎么回答 Does not belong to me是什么意思? This case does not belong to me! Whom does this watch _____?It's Holly's.A.belong B.belong to Whom/Who does the bike belong to?为什么是does不是is? 想知道是who does this book belong to?还是whom does this book belon 为什么是That does not belong to me 而不是That is not belong to me She does not belong to me really what? --who does it belong to 的回答--Me.还是Mine. Does not belong to me,I will let