You can't see the___________ now for they are having a meeting at the moment.

A．editors-in-chief

B．editor-in-chiefs

C．editors-in-chiefs

D．editor-in-chief

咖啡厅日营业结束后，咖啡师清洁制作区域时应先清洁（）

A、壶具

B、杯具

C、半自动咖啡机

D、台面