Blog Is __________,Whereas a Wiki Is __________

blog is __________,whereas a wiki is __________.

A) a log of an individual's Internet activity; Internet activity updated by the user
B) a website for companies to gather customer insights; an academic tool to post grades and projects
C) a website whose online content is created and edited by the ongoing collaboration of end users; a publicly accessible personal journal and online forum for a individual or organization
D) a publicly accessible personal journal and online forum for an individual or organization; a website whose online content is created and edited by the ongoing collaboration of end users
E) an advertising forum; an artistic forum