16.Questions 14 through 16 are based on the following passage.
14.A.To analyze causes and effects of using a credit card.
B.To encourage people to borrow money from banks.
C.To let people know the responsibility in using a credit card.
D.To present the effect of computers in popularizing the use of credit cards.
15.A.The development of computers.
B.People's greediness for more money.
C.People's needs for less paper money.
D.People's learning to be more responsible.
16.A.To learn to be responsible by using credit cards.
B.To stop using credit cards and borrow money from friends or relatives.
C.To pay money back as fast as possible after using credit cards.
D.To stop borrowing money and use your own funds for shopping.