【单选题】
An "off-hand speech" is______.
A.a speech not longer than three minutes
B.a speech without preparation
C.a speech with a piece of paper in hand
D.a speech which is well prepared
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根据网考网移动考试中心的统计,该试题:
12%的考友选择了A选项
74%的考友选择了B选项
0%的考友选择了C选项
14%的考友选择了D选项