A-A+
A．Give your credit card information over the t
问题详情
A．Give your credit card information over the telephone.
B．Send credit card information in the web site.
C．Ask about the credit card company"s online rules by telephone.
D．Use MasterCard to shopping online.
参考答案
正确答案：A
解析：细节题，见文章最后一句话If in doubt，give your credit card information over the telephone．中提到，如果你觉得网络有问题，你可以通过电话来传递你的信用卡的信息。MasterCard仍是一种需通过网上公布自己的账户密码的方式，不足以消除用户的怀疑，故不选D。
