【单选题】
Differences in positions adopted by oxygen and hydrogen atoms account for variations in the structure of different forms of ice.
A.are caused by
B.explain
C.derive from
D.constitute
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根据网考网移动考试中心的统计,该试题:
2%的考友选择了A选项
88%的考友选择了B选项
0%的考友选择了C选项
10%的考友选择了D选项