Question

【题目】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

【答案】D

【解析】句意：，这项计划已经挽救了成千上万的儿童，否则他们就会死去。A. would save一般将来时；B. saves一般现在时；C. had saved过去完成时；D. has saved现在完成时。up to now：到目前为止，用于现在完成时；结合句意和语境可知选D。