【单选题】
If the whole opera, on ______ beforehand, a great deal of time and money would have been lost.
A.was not planned
B.has not been planned
C.had not been planned
D.were not planned
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根据网考网移动考试中心的统计,该试题:
0%的考友选择了A选项
13%的考友选择了B选项
72%的考友选择了C选项
15%的考友选择了D选项