Question

Up to now，the program________thousands of children who would otherwise have died. A．would sa.

Up to now，the program________thousands of children who would otherwise have died. A．would save B．saves C．had saved D．has saved

Answer 1

D

句意为：截止到现在，这个项目已经挽救了成千上万的本来会死去的孩子的生命。up to now是现在完成时态的标志，所以空格处使用现在完成时态。