单项选择题

Likewise, it is (29) faster to make international payments (30) the Internet. Over recent years, the network of Internet banking Web sites (31) been developing very fast. Through the Internet, we can (32) make payments very fast. Transfers can be arranged and (33) online easily (34) quickly around-the-clock. The majority of payments over (35) Internet are credit card transactions. But more and more (36) are looking forward to online applications to better all aspects of their operations, (37) finance and international payments.
However, attention must be paid to security when we choose and make Internet (38) . The integrity of the transaction should be preserved, which is quite necessary and important. Businesses should not (39) their financial details onto a Web site until they are quite sure that the Web site is secure indeed so that others (40) themselves are unable to have access to the details they have entered.

A.transactions
B.business
C.businesses
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单项选择题
A.theB.aC.an
A.the
B.a
C.an