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【单选题】
四、逻辑判断。每题给出一段陈述，这段陈述被假设为正确的，不容置疑的。要求根据这段陈述，选择一个答案。注意：正确的答案应与所给的陈述相符合，不需要任何附加说明即可以从陈述中直接推出。请开始答题：一般而言，帕金森病多是因人类大脑中产生多巴胺的细胞死亡而发病的。华盛顿大学的研究人员用一些基因改造过的双翅目昆虫果蝇来做实验，这些果蝇在迈入老年时期时，多巴胺细胞会逐渐死亡。科学家惊奇地发现，当他们将烟草、咖啡榨成汁，喂给这些果蝇以后，果蝇们的多巴胺细胞又增多了，而且这些果蝇又变得生龙活虎起来。因此，研究者指出，有烟瘾和嗜好咖啡的人，得帕金森病的几率更低。如果以下各项为真，不能质疑上述推测的是( )。A.
人类与果蝇大脑产生多巴胺细胞的机制存在差异
B.
实验的4个小组当中，其中1组得出了相反结果
C.
人类大脑中的多巴胺细胞过量分泌容易导致暴力犯罪
D.
多数双翅目昆虫在获得新食物种类后均会产生多巴胺细胞分泌增多现象
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