Use the citation to answer the question.
ProCon.org. "Social Networking ProCon.org" ProCon.org. 5 Feb. 2013. Web. 11 Mar. 2013. .

A What is the significance of the "11 Mar. 2013" in this citation?
B It represents the date the article was first written by the author.
C It tells the reader when the article was published online.
DIt explains when the article was last updated.