单选题:Bayerstartedmakingaspirinbecause 题目分类:卫生类 题目类型:单选题 号外号外:注册会员即送体验阅读点! 题目内容: Bayerstartedmakingaspirinbecause A.ithelpedpreventheartattacks. B.othercompaniesweremakingit. C.itworkedwellinstoppingpain. D.themanagerwasascientist. 参考答案: 答案解析: