问题
单项选择题
Originally introduced by Netscape Communications, (1) are a general mechanism which HTFP Server side applications, such as CGI (2) , can use to both store and retrieve information on the HTTP (3) 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) .
A．programs
B．applications
C．frameworks
D．constraints
答案
参考答案：B
解析：
[分析]： Cookies(小甜饼)最初是由Netscape Communications提出的，它是一种通用机制，这种机制使一个HTTP连接的服务端的应用程序，如CGI、脚本(scripts)，能够从HTTP客户(Client)一侧存储或返回信息。HTTP协议是一种无状态(stateless)协议，Cookies主要是对这一特性的补偿。这种简单的、持续的、客户侧的状态，对基于WWW的应用程序(applications)的扩展产生了深远的影响。