【名词&注释】
危重症(critical illness)、常见病(common diseases)、住院治疗(hospitalization)、性疾病(diseases)、多发病(frequently occurring illnesses)、市级医疗机构
[单选题]根据区域卫生规划的原则,市级医疗机构承担().
A. 常见病和多发病(frequently occurring illnesses)的诊治
B. 常见病、一般疑难性疾病的诊治
C. 多发病(frequently occurring illnesses)、一般疑难性疾病的诊治
D. 急危重症和疑难症的诊治
E. 住院治疗