Passage 3E-commerce websites are

Passage 3
E-commerce websites are now a well known concept among all net users. Every net surfer has come across or used services of e-commerce sites at some point. Customers always prefer websites that offer them secure transactions at the time of payment. As the instances of online credit eard theft and hacking have increased, so is the need for installing secure and reliable mode of online payment.
In any given e-commerce design package three things are most important-user friendliness, extended features and quality. E-commerce can help your e-business achieve greater heights and profits with the help of many features.
20.The need for installing secure and reliable mode of online payment results from ______.
A、credit card theft and hacking
B、the extended features and quality
C、greater heights and profits
D、three important things
【正确答案】：A