If the whole operation______beforehand, a great deal of time and money would hav

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问题 If the whole operation______beforehand, a great deal of time and money would have been lost.

选项 A、was not planned
B、has not been planned
C、had not been planned
D、were not planned

答案 C

解析 If the whole operation had not been planned beforehand为虚拟条件过去时。

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