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[单选] 根据国标GB/T1884_2000《原油和液体石油产品密度实验室测定法(密度计法)》规定,测定密度用的玻璃浮子密度计有SY-02型、SY-05和SY-1型密度计三种.这三种密度计其最小分度值分别为().
A.0.0003,0.0005,0.0007 B.0.0005,0.0007,0.0003 C.0.0007,0.0005,0.0003 D.0.0003,0.0007,0.0005
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