问题
单项选择题
Originally introduced by Netscape Communications, (1) are a general mechanism which HTTP Server side applications, such as CGI (2) , can use to both store and retrieve information on the HTTP (2) side of the connection. Basically, Cookies can be used to compensate for the (4) nature of HTTP. The addition of a simple, persistent, client-side state significantly extends the capabilities of WWW-based (5) .
2（）
A.programs
B.applications
C.frameworks
D.constrains
答案
参考答案：B
解析：
本题涉及的是Cookies相关知识，参考译文如下。
网景公司最初推出的Cookies是HTTP服务器侧的应用，如CGI脚本，用来保存和检索连接上它的HTTP客户端信息的一种通用机制。基本上，Cookies可以被用来弥补HTTP协议的无状态特性。这个简单的、持续的、客户端的状态极大地扩展了基于WWW的应用的能力。