Hi, Bill. I _____ you _____ in this city. How long have been here?

A．didn’t know; were

B．don’t kow; are

C．haven’t known; are

D．don’t know; were

哪项不能体现医疗机构从业人员“优质服务、医患和谐”的行为规范（）

A.自觉遵守国家法律法规，遵守医疗卫生行业规章和纪律

B.加强与患者的交流与沟通

C.积极带头控烟，自觉维护行业形象

D.言语文明，举止端庄