You administer a Microsoft SQL Server 2016 database.
The database is currently configured to log ship to a secondary server.
You are preparing to cut over to the secondary server by stopping log-shipping and bringing the secondary database online.
You want to perform a tail-log backup. You need to leave the primary database in a restoring state.
Which option of the BACKUP LOG command should you use?
A. NO_TRUNCATE
B. NORECOVERY
C. STANDBY
D. FORMAT