在FAT文件系统中访问一个文件时，查找该文件占有的第一簇所依据的数据结构是 ()。

A．文件分配表

B．磁盘分区表

C．磁盘引导记录

D．该文件的目录登记项

____along the quiet road at forty miles an hour, and then an old man suddenly started to cross the road in front of me.

A．Driving

B．When I was driving

C．I was driving

D．Having driven