A-A+
Why does Sweden have a lower rate of hip impla
问题详情
Why does Sweden have a lower rate of hip implant failure？
A．Because Sweden has more advanced technology.
B．Because Sweden has a patient data collecting system.
C．Because Sweden has a much larger number of patients.
D．Because Swedish doctors are more responsible and skillful.请帮忙给出正确答案和分析，谢谢！
参考答案
正确答案：B
解析：第五段。瑞典收集手术数据供医生借鉴，以降低手术的失败率。选项B是正确的。选项A、C、D文中没有提及。
