Up to now, the program______thousands of children who would otherwise have died.

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问题 Up to now, the program______thousands of children who would otherwise have died.

选项 A、would save
B、saves
C、had saved
D、has saved

答案D

解析 本题主要考查动词的时态。句意为:到现在为止,这个项目已经挽救了成千上万个本来会失去生命的孩子。up to now表示“到现在为止”,是现在完成时态的标志。因此本题选D。
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