An advertiser purchasing display advertising through other ad networks can still benefit from using AdWords display ads because the advertiser:

An advertiser purchasing display advertising through other ad networks can still benefit from using AdWords display ads because the advertiser:

A) offer the ability to infinitely loop animated image ads.
B) can appear multiple times on a page to reinforce the advertiser’s message.
C) can fill the gaps of niche and mass-marketed sites using AdWords targeting options.
D) will show on all ad networks and …

Answer: C