Advertisers Often Incorporate Entertaining Stories About a Company's History into a Straight-Forward

Advertisers often incorporate entertaining stories about a company's history into a straight-forward message about why someone should buy. They do this because they

A) Are new to advertising.
B) Are trying to be persuasive.
C) Are addressing a hostile audience.
D) Are attempting to mislead the audience.
E) Want to establish their credibility.