问题描述：
求remain的用法
The lady said she would buy a gift for her daughter with the .
A remaining $20 B remained $20 C $20 remained D $20to remain
为什么不选C
The lady said she would buy a gift for her daughter with the .
A remaining $20 B remained $20 C $20 remained D $20to remain
为什么不选C
问题解答：
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