–Good news. We will have a ______ holiday.

--I’ve heard of it. But it’s coming in_______.

A．three days, here days’ time

B．three days’, three days’

C．three-day, three days

D．three days, three-day time

企业内部的公共关系机构看，公共关系人员可分为（）,（）

A.公共关系领导人员

B.一般工作人员

C.内部人员

D.外部人员