单选题：某五金商店准备购进甲、乙两种零件进行销售。若每个甲种零件的进价比每个乙种零件的进价少2元，则用80元购进甲种零件的数量与

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题目内容：
某五金商店准备购进甲、乙两种零件进行销售。若每个甲种零件的进价比每个乙种零件的进价少2元，则用80元购进甲种零件的数量与用100元购进乙种零件的数量相同。某次购进甲种零件的数量比乙种零件的3倍还少5个，两种零件的总数量不超过95个。每个甲种零件的销售价格定为12元，每个乙种零件的销售价格为l5元，则将本次购进的甲、乙两种零件全部售出后，销售总利润最高达到多少元? A．371
B．388
C．405
D．422

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