常住人口的英文翻译是（ ）
A、improve health care services
B、violence against medical staff
C、patient-doctor relation
D、permanent population
【正确答案】：D
【题目解析】：常住人口的英文翻译是 permanent population医患关系 patient-doctor relation
医暴 violence against medical staff
改善医疗服务 improve health care services
