Which of the Following Statements Is Correct

Multiple Choice

Which of the following statements is correct?

A) Credit cards are important for our system of payments,but they are not important for analyzing the monetary system.
B) Account balances that lie behind debit cards are included in M1 and in M2.
C) People who have credit cards probably hold more money on average than people who do not have credit cards.
D) A debit card is more similar to a credit card than to a check.