A.You need to perform the restore and recover operations manually, because the backup was made manually. 
B.First you need to resynchronize the catalog with the control file, and then you can use RMAN to recover the database. 
C.First you need to add the backup to the catalog using the CATALOG command, and then you can use RMAN to recover the database. 
D.You can just use RMAN and recover the database, because RMAN automatically updates the catalog with the backup information. 

A.temp files
B.online data files
C.offline data files
D.read only data files