The experiment requires more money than ______.A、have been put inB、being put in

游客2023-11-20  19

问题 The experiment requires more money than ______.

选项 A、have been put in
B、being put in
C、has been put in
D、to be put in

答案 C

解析 根据句意:实验还需要更多的资金投入,因此正确答案是C。
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