[单选题]Your database is running in ARCHIVELOG mode. You a

AThe DATA1 tablespace is automatically taken out of backup mode when the instance aborts.

BIf you restart the database, the DATA1 tablespace will be automatically taken out of backup mode when the database is opened.

CIf you restart the database, the DATA1 tablespace will be automatically taken out of backup mode when the database is mounted.

DIf you restart the database, the database will not be opened.