问题
单项选择题
Soon, more of the information we receive via the Internet could come (71) in digital wrappers.
Wrappers are made up (72) software code that’s targeted to do specific things with the data (73) within them, such as helping to define queries for search engines. They also keep (74) from (75) access to that code.
（75）处填（）。
A．gain
B．gained
C．gains
D．gaining
答案
参考答案：D
解析：
(参考译文)将来，我们在Internet上接收的信息都是经过电子打包的。包装是由特定目的的软件代码封装数据而成的，比如，软件代码可帮助定义搜索引擎的查询。它也可以防止外界获得对代码的访问。