The correct answer is A. You can get cash-back rewards.
Someone can save money with credit card by getting cash-back rewards.
Credit card is termed as payment card which is issued to users to enable them to pay merchant for services and goods. There are different ways which credit card can save money. For example,
1. Cash back. In this a person can return one or two percent of what he or she has purchased. For example, Discover it cash back.
2. Sign-up bonuses.
3. free checked bags for example Gold Delta skymiles card.
4. Extended warranties.
5. Costs of cash.