Improvements to the factory’s manufacturing facilities_____in savings of more than $7 million so far this year.

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问题 Improvements to the factory’s manufacturing facilities_____in savings of more than $7 million so far this year.

选项 A、resulted
B、have resulted
C、resulting
D、has resulted

答案B

解析空格中应该填入句子的谓语。句中的so far this year(到今年的现在为止)提示应该使用现在完成时，表示事情发生在过去、结果持续到现在。主语是复数名词，因此应该选择have resulted。

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