【单选题】
The 1986 Challenger space shuttle ______ was caused by unusually low temperatures immediacy before the launch.
A.dismay
B.disaster
C.expedition
D.controversy
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根据网考网移动考试中心的统计,该试题:
27%的考友选择了A选项
71%的考友选择了B选项
0%的考友选择了C选项
2%的考友选择了D选项