题目内容

药品费用是指

A. 人们治疗疾病所需的药品费用
B. 人们在预防保健时购买药品的费用
C. 人们预防保健和防治疾病时购买药品的费用
D. 提供人们预防保健和防治疾病所需药物资源的总费用，是每个病人所需药物资源的费用之和
E. 以上均不是

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