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【简答题】
某商店搞了一次钢笔促销活动，促销办法是：买的钢笔中，每2支送1只玩具，不足2支不送.卖出1支钢笔的利润是7元，1只玩具的进价是2元.这次捉销话动共赚了2011元.该商店此次促销共卖出多少支钢笔？
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A.
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B.
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