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In order to achieve the desired results in the experiment, it is necessary that she ( ) as possible.
A、work as hard
B、works as hard
C、would work as hard
D、should work hardly
【正确答案】：A
【题目解析】：虚拟语义和as…as…同级比较，句子含义是为了在试验中得到意想的成绩，她尽可能努力学习是有必要的。