The web is fantastic at many things e-mail e-commerce for example. But your name is Am

问题补充：

The web is fantastic at many things, e-mail, e-commerce, for example. But your name is Amazon Or Google, making money has proved hard.

A. if

B. although

C. unless

D. as

答案：

A. if

B. although

(答案→)C. unless

D. as

解析：四个选项分别表示如果、尽管、除非和由于。根据题意，网络赚钱已经被证明是很难的，除非你的名字是亚马逊或者谷歌。故选C。