【单选题】
Investigators agreed that passengers on the airliner______ at the very moment of the crash.
A.should have died
B.must be dying
C.must have died
D.ought to die
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根据网考网移动考试中心的统计,该试题:
10%的考友选择了A选项
12%的考友选择了B选项
76%的考友选择了C选项
2%的考友选择了D选项