Your database operates in ARCHIVELOG mode. User-managed consistent backups are performed every  Sunday night. On Tuesday， client A drops a table at 8：00 a.m. as follows：  SQL> DROP TABLE cust_ord PURGE；  Table dropped.  Client B executes a query at 9：00 a.m. on the same table as follows：  SQL> SELECT * FROM cust_ord；  SELECT * FROM cust_ord  *ERROR at line 1：ORA-00942： table or view does not exist  Client B needs the dropped table and reports the problem to you.With reference to this scenario， which action should you take？（）

• A、 retrieve the table by using the flashback feature
• B、 restore all the data files from last Sunday’s backup and then perform a time-based recovery
• C、 restore all the data files from last Sunday’s backup and then perform a log sequence recovery
• D、 restore all the data files from last Sunday’s backup and then perform a cancel-based recovery
• E、 restore from last Sunday’s backup only data files that belong to the tablespace in which the table was stored and then perform a complete recovery