问题描述：
what are you going to do,MrZhang------My son wants a new schoolbag.I’ll buy＿＿＿＿＿＿
A:it for him B:it from him C:it him D:him it 请大家为我解答,并且说出原因
A:it for him B:it from him C:it him D:him it 请大家为我解答,并且说出原因
问题解答：
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