Up to now, the program thousands of children who would otherwise have died.
A. would save
B. saves
C. had saved
D. has saved
网友回答
A. would save
B. saves
C. had saved
(答案→)D. has saved
解析：句意是：直到现在，这个项目挽救了上千名儿童的命，否则他们就会死掉。这题考查时态，时间是：Up to now“直到现在”所以用现在完成时，选D。