Cookies refer to:_______
A. small computer programs that extend the features or capabilities of another application.
B. the design and content components of an advertisement.
C. a line of identifying text, assigned and retrieved by a given Web server and stored by a user?s browser.
D. terms that prevent specific ads from being served if they are searched for by users.
E. a temporary storage space used to keep a running count of the number of ad impressions.