下面（）的语句，将向数据库添加一个新的重做日志文件组。
A.MODIFY DATABASE ADD ONLIELOGFILE(‘/oracle/dbs/logic.rdo’， ‘/oracle/dbs/log2c.rdo’) SIZE 500K B.B.ALTER DATABASE ADD ONLIELOGFILE(‘/oracle/dbs/logic.rdo’， ‘/oracle/dbs/log2c.rdo’) SIZE 500K C.MODIFY DATABASE ADD LOGFILE(‘/oracle/dbs/logic.rdo’， ‘/oracle/dbs/log2c.rdo’) SIZE 500K D.ALTER DATABASE ADD LOGFILE(‘/oracle/dbs/logic.rdo’， ‘/oracle/dbs/log2c.rdo’) SIZE 500K正确答案D
