问题描述：
一道选择题请说明理由
Mum’s promised me that she ______ me a present for my 14th birthday.
A has given B had given C will give D would give
正确答案是C,D为什么不对
Mum’s promised me that she ______ me a present for my 14th birthday.
A has given B had given C will give D would give
正确答案是C,D为什么不对
问题解答：
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