A card which requires the cardholder to pay a sum of money equal to the credit limit is called a:
A.debit card
B.unsecured card
C.blocked card
D.prepaid card
These cards are known as pre-paid debit cards and also secured credit cards. So, the answer will be the D.prepaid card. A card which requires the cardholder to pay a sum of money equal to the credit limit is called a prepaid card.