(A) character, file, record, field, database
(B) character, record, field, database, file
(C) character, field, record, file, database
(D) Bit, byte, character, record, field, file, database
(A) character, file, record, field, database
(B) character, record, field, database, file
(C) character, field, record, file, database
(D) Bit, byte, character, record, field, file, database