Suppose a database system crashes again while recovering from a previous crash. Assume checkpointing is not done by the database either during the transactions or during recovery.Which of the following statements is/are correct?

• A. The same undo and redo list will be used while recovering again.
• B. The database will become inconsistent.
• C. All the transactions that are already undone and redone will not be recovered again.
• D. The system cannot recover any further.