【单选题】
Cloning has been criticized for all the reasons EXCEPT ______.
A.usefulness in genetics
B.premature aging
C.its effects on the experimental animals
D.safety reasons
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根据网考网移动考试中心的统计,该试题:
50%的考友选择了A选项
24%的考友选择了B选项
6%的考友选择了C选项
20%的考友选择了D选项