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【单选题】

If the jewelry is marked 14 parts of gold mixed with 10 parts of base metal, it will always bear ______ mark.
A.a 14K

B.a 10K
C.an 18K
D.a platinum
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根据网考网移动考试中心的统计,该试题:

67%的考友选择了A选项

26%的考友选择了B选项

5%的考友选择了C选项

2%的考友选择了D选项

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