【单选题】
Most of the students felt rather disappointed at the English party. They say that it ______ better organized.
A.had been
B.had to be
C.must have been
D.could have been
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根据网考网移动考试中心的统计,该试题:
4%的考友选择了A选项
6%的考友选择了B选项
2%的考友选择了C选项
88%的考友选择了D选项