A Wiki Is Best Defined As

Multiple Choice

A wiki is best defined as:

A) a Web site that typically acts as brokers for advertisers and Web sites.
B) a smaller version of the banner that often look like an icon and usually provide a link to an advertiser's landing page.
C) a reverse chronological journaling site.
D) a user-collaborated content site, typically text in nature.
E) a little billboard that spreads across the top or bottom of the Web page.