When Kim Visited Www

When Kim visited www.addall.com, a site for people who want to find the lowest prices on book purchases, she saw a boxed-in promotional message at the top of the home page, which invited her to click on the ad and visit a site that would show her how to get the lowest possible rate on her long-distance phone service. Kim saw a(n) :

A) hot spot.
B) ad portal.
C) communication button.
D) leveraged position.
E) banner ad.