【单选题】
Under proper conditions, sound waves will be reflected from the hillside or other such obstruction.
A.mirrored
B.bounced back
C.absorbed
D.soaked through
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根据网考网移动考试中心的统计,该试题:
1%的考友选择了A选项
74%的考友选择了B选项
11%的考友选择了C选项
14%的考友选择了D选项