如图是测定了某种生物的细胞对甲、乙两种物质吸收速率与该物质浓

如图是测定了某种生物的细胞对甲、乙两种物质吸收速率与该物质浓度的关系绘制成的曲线,仔细分析后,你认为下列四种说法中正确的是()

      A  甲物质是主动运输,乙物质是自由扩散

      B  甲物质是自由扩散,乙物质可能是主动运输

      C  乙醇进入细胞的方式与乙物质相同

      D  K+进入细胞的方式与甲物质相同

答案

B

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