【18】　记录着每个文件的文件名、起始簇号、属性等信息，它与文件分配表FAT相配合，统一管理整个磁盘的文件。

8、When and where to go for the on-salary holiday ______ yet.

A．are not decided

B．have not been decided

C．is not being decided

D．has not been decided