Which of the following statements accurately describes the role of moral suasion in controlling money?

1. AIt is a combination of persuasion and pressure used by the RBI to influence banks' lending behaviour.
2. BIt is a direct tool used by the RBI to control the money supply by setting interest rates.
3. CIt refers to the variation in the statutory liquidity ratio to regulate the allocation of bank credit.
4. DIt involves the sale and purchase of government securities to influence the money supply.