______enough time and money, the researchers would have been able to discover more in this field.

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问题 ______enough time and money, the researchers would have been able to discover more in this field.

选项 A、Giving
B、To give
C、Given
D、Being given

答案C

解析 从句表示假设,且与主句的主语存在被动关系,因而应由过去分词引导,故答案为C。
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