____ is one of good properties of this metal.

____ is one of good properties of this metal.
A、Light in weight
B、Having been light in weight
C、Be light in weight
D、Being light in weight
【正确答案】：D
【题目解析】：非谓语做主语，因为句中已经有谓语动词is了，一个句子中不能出现两个谓语动词，所以可排除C，根据句子时态可知应用一般现在时，所以可排除B，形容词light不能作主语，也可排除A，故选D。

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____ is one of good properties of this metal.

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