i didn't know anything about the computer program,or a huge

i didn't know anything about the computer program,or a huge amount of time and energy ___________
A would have been saved B had been saved
C has been saved D will be saved

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选A
这里的or根据上下文可以分析出来,有虚拟语气的意思
我不知道任何有关于电脑程序的事情,否则会有大量的时间和经历被节省下来.
句子所描述的内容与事实“没节省时间和经历”相反,所以是虚拟的用A选项
不知道解释明白了没有,

1年前

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