在SQL Server 2000中，设已对MyDB数据库进行了备份操作，备份数据均存储在bk设备上，且该设备仅包含这些备份数据。
下列利用bk设备上的数据进行恢复的操作，正确的是（）。
A．RESTORE DATABASE MyDB FROM bk WITH FILE=1，NORECOVERY
RESTORE DATABASE MyDB FROM bk WITH FILE=3，NORECOVERY
RESTORE LOG MyDB FROM bk WITH FILE=4
B．RESTORE DATABASE MyDB FROM bk WITH FILE=1，NORECOVERY
RESTORE LOG MyDB FROM bk WITH FILE=2，NORECOVERY
RESTORE DATABASE MyDB FROM bk WITH FILE=3，NORECOVERY
RESTORE LOG MyDB FROM bk WITH FILE=4
C．RESTORE DATABASE MyDB FROM bk WITH FILE=1，NORECOVERY
RESTORE LOG MyDB FROM bk WITH FILE=2
RESTORE DATABASE MyDB FROM bk WITH FILE=3，NORECOVERY
RESTORE LOG MyDB FROM bk WITH FILE=4
D．RESTORE DATABASE MyDB FROM bk WITH FILE=1
RESTORE LOG MyDB FROM bk WITH FILE=2
RESTORE DATABASE MyDB FROM bk WITH FILE=3
RESTORE LOG MyDB FROM bk WITH FILE=4
参考答案：A
解析：
在进行数据恢复时，首先恢复完全备份，其次恢复差异备份，最后恢复日志备份。
